US20050197201A1 - Rotating and axially moving putter grip - Google Patents
Rotating and axially moving putter grip Download PDFInfo
- Publication number
- US20050197201A1 US20050197201A1 US10/793,372 US79337204A US2005197201A1 US 20050197201 A1 US20050197201 A1 US 20050197201A1 US 79337204 A US79337204 A US 79337204A US 2005197201 A1 US2005197201 A1 US 2005197201A1
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- United States
- Prior art keywords
- grip
- slide
- putter
- ball
- velocity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/007—Putters
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/14—Handles
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
- A63B60/06—Handles
- A63B60/14—Coverings specially adapted for handles, e.g. sleeves or ribbons
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
- A63B60/06—Handles
- A63B60/20—Handles with two handgrips
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
- A63B60/06—Handles
- A63B60/22—Adjustable handles
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
- A63B60/06—Handles
- A63B60/32—Handles with means for changing the angular position of the handle about its longitudinal axis
Definitions
- This invention relates to the field of golf clubs. More specifically, the present invention relates to a putter grip that allows both rotational and axial movement of the grip along the shaft of the putter.
- the ideal putter grip is one that most effectively assists the golfer in achieving the two basic elements of putting: establishing the initial course or direction of the ball, and establishing the initial speed of the ball. These two factors alone determine the path that the golf ball will travel. Of course, there are a number of variables that a golfer must analyze in order to correctly select the direction and speed for the putt, including the breaks and contours of the putting green, the grain or standing grass direction of the green, and the speed or rolling resistance of the surface.
- the golfer ideally has shoulders and toes square to the intended putt line, with arms relaxed and hanging naturally with a slight bend at elbows.
- the ball should be in at the midpoint between the feet.
- the golfer's arms and hands should move as one unit with the putter in a pendulum motion to release the putter head along the intended target line.
- the present invention overcomes the limitations in the prior art by providing a putter grip with an upper grip section that is fixed to the putter shaft, and a lower grip section that is free to both rotate and axially slide along the putter shaft.
- this lower grip section actually slides and rotates over a core that is also used by the upper grip section. Slide stops on this core then restrain the axial motion of the lower section to a limited portion of the putter shaft.
- FIG. 1 is a plan view of an improved putter grip of the present invention, with arrows showing the range of motion available to the lower grip section.
- FIG. 2 is a cross-sectional view of the putter grip shown in FIG. 1 .
- FIG. 3 is a plan view of a second embodiment of the present invention putter grip, with the upper grip section separated from the lower grip section, such as when used on an elongated putter shaft.
- FIGS. 4 a through 4 f show the putter grip of the present invention in use during the putting stroke.
- FIGS. 1 and 2 shows the upper portion of a golf club shaft 8 , upon which is included a grip assembly 10 of the present invention.
- the grip assembly 10 includes an upper hand grip 20 and a lower hand grip 30 .
- the upper hand grip 20 is secured to the shaft 8 to prevent both rotational movement around the shaft 8 and translational movement along the length of the shaft 8 .
- the lower hand grip 30 is attached to the shaft 8 in such a manner as to allow both rotational movement (represented by arrows 40 ) and axial or translational movement (represented by arrows 42 ) with respect to the shaft 8 .
- This hand grip core 50 is placed over the upper portion of shaft 8 and fixed thereto through conventional means known in the prior art, such as glue, epoxy, or double-sided adhesive tape.
- the upper grip 20 is located on the upper portion 52 of core 50 and is fixed thereto, such as by attaching the upper grip 20 to the core 50 or by forming the upper grip 20 out of a portion of the core 50 .
- the core 50 is formed with a plurality of openings 54 along its upper portion 52 . These openings allow the epoxy or tape that is used to secure the core 50 to the shaft 8 to also contact the upper hand grip 20 and secure that grip 20 in place. Regardless of the technique used, movement of the upper grip 20 with respect to the shaft 8 is prohibited.
- the lower hand grip 30 is implemented as a gripping surface 32 surrounding a sleeve or hub 34 .
- This hub 34 is preferably implemented as a second cylinder having an internal diameter slightly larger than the outer diameter of the hand grip core 50 .
- the comparative sizing allows the hub 34 and the rest of the lower hand grip 30 to move both axially along the core 50 and rotationally around the core 50 .
- the relative diameters of the hub 34 and the core 50 should be such as to allow both rotation and axial movement of the hub 34 along the core 50 while also maintaining a generally coaxial alignment of the hub 34 and core 50 .
- the axial movement of the lower hand grip 30 is restricted by an upper slide stop 60 and a lower slide stop 62 .
- These stops 60 , 62 are attached to core 50 at such positions so as to allow the lower hand grip 30 to slide axially (arrows 42 ) with respect to the core 50 and hence with respect to the golf club shaft 8 .
- the stops 60 , 62 are preferably made using a resilient ring that can be stretched to move along the core 50 to their preferred location.
- the upper slide stop 60 either abuts the upper grip 20 or is formed integral to the upper grip 20 .
- the invention would also function appropriately if the stops 60 , 62 were not movable, but were rather fixed to certain locations on the core 50 or shaft 8 .
- the distance between the stops 60 , 62 must exceed the length 36 of the lower hand grip 30 enough so as to allow significant axial movement.
- the lower hand grip 30 is allowed between five to ten inches of axial movement, although significant beneficial impact on the putting stroke of the average user can be obtained with greater or lesser movement ranges, including an axial movement of only a single inch.
- FIG. 4 a shows a golfer 100 addressing a ball 110 at the beginning of the putting stroke.
- the golfer 100 is using a putter 120 having a lower grip portion 130 that allows movement rotationally and axially with respect to the rest of the putter during the putting stroke.
- FIG. 4 b the golfer 100 begins his backstroke.
- the lower grip portion allows the golfer's lower hand to extend smoothly down the putter shaft on the back swing. This is shown in FIG. 4 c.
- FIG. 4 d the golfer has begun his forward swing and is now impacting the ball.
- FIGS. 4 e and 4 f The slide travel for a given putt is determined geometrically by the golfer's arm length and arm separation or shoulder width.
- the lower grip portion 130 is free to rotate about the shaft of the putter 120 .
- the movement of the golfer's lower hand along and around the shaft of putter 120 during the putting stroke allows the putter head to track the target with minimum body motion or shoulder roll. This also reduces the tendency for the lower hand to misdirect the club face from the intended target line. In this way, the present invention promotes a smooth pendulum swing path and proper tempo resulting in better ball roll for all putts, short or long.
- the lower hand becomes very passive in terms of directing the ball heading and therefore cannot misdirect the club face orientation from the desired ball heading as set by the swing path of the upper hand.
- the present invention also provides a “feel and touch” feedback through the hands that continuously reinforces the proper putter swing characteristics.
- the free motion of the lower grip 130 provides a smoother and more natural pendulum motion in the putting stroke.
- This lower grip slide motion also creates the sensation that the stroke has enhanced power simply because it is so efficient. The expectation is that with less swing motion for a given putt one should have a greater success rate or accuracy.
- This aspect of the present invention also promotes proper tempo and shoulder roll and release.
- the rear shoulder (right shoulder for a right-handed player) needs to release the putter down the line through impact and beyond ball strike. Failure to release the shoulder usually results in putts not reaching the hole. Particularly with short putts, golfers tend to baby the putt or steer the ball to the hole.
- the free motion of the lower grip 130 also provides feedback when a ball strike is not accomplished with proper tempo or above ball center. When this occurs, a disturbance is felt through the lower grip 130 in the form of a small shake or vibration.
Abstract
A system and method is presented for a putter grip having a lower section that is free to both rotate and axially slide along the putter shaft. In the preferred embodiment, this lower grip section slides and rotates over a core upon which is mounted an upper grip section that does not move relative to the putter shaft. The lower grip section is restrained in its axial movement to a portion of the putter shaft through the use of movement stops.
Description
- This invention relates to the field of golf clubs. More specifically, the present invention relates to a putter grip that allows both rotational and axial movement of the grip along the shaft of the putter.
- The ideal putter grip is one that most effectively assists the golfer in achieving the two basic elements of putting: establishing the initial course or direction of the ball, and establishing the initial speed of the ball. These two factors alone determine the path that the golf ball will travel. Of course, there are a number of variables that a golfer must analyze in order to correctly select the direction and speed for the putt, including the breaks and contours of the putting green, the grain or standing grass direction of the green, and the speed or rolling resistance of the surface.
- Even if a golfer has successfully evaluated the appropriate direction and speed for a putt, a golfer still needs a great deal of skill to translate this evaluation into the proper putting stroke. Golfers spend many hours practicing their putting stroke to be able to control the ball's direction and speed consistently. Most golf instructors believe that three elements are crucial when a golfer is working on their putting stroke: the hand grip, the body position, and the putting stroke. Most teaching authorities believe the golfer should hold the putter in the palms of the hands with a light grip pressure. The general consensus for body position has the feet spread apart, but within the shoulder width, the knees slightly bent, and the back straight but tilted so as to position the eyes over the ball. The golfer ideally has shoulders and toes square to the intended putt line, with arms relaxed and hanging naturally with a slight bend at elbows. The ball should be in at the midpoint between the feet. As for the putting stroke, the golfer's arms and hands should move as one unit with the putter in a pendulum motion to release the putter head along the intended target line.
- The goal of achieving a proper grip, stance, and stroke is not unique to putting, as the proper performance of all other golf strokes requires mastery of these same three elements. Unfortunately, while it is relatively straightforward to teach a golfer the proper grip of a club and the proper body position, it requires a great deal of effort and practice to obtain a proper stroke. For much of the last century, inventors have worked on improving the golf club to make it easier for golfers to achieve a better golfing stroke. One common approach has been to improve golf clubs by using a rotating grip, as is seen in Suesman (U.S. Pat. No. 1,305,952); De Bus (U.S. Pat. No. 1,544,226); Moore (U.S. Pat. No. 2,225,839); Hrivnak (U.S. Pat. No. 3,804,413); Smolinski (U.S. Pat. No. 3,834,714); Martin (U.S. Pat. No. 5,413,339); and Madelle (U.S. Published Patent No. US2001/0041626. All of these references describe golf clubs having a grip that moves rotationally with respect to the golf club shaft during the hitting stroke.
- Unfortunately, a simple rotational club handle does not successfully meet the specific needs for an improved grip on a golf club used for putting. The need still exists for a grip on a putter that more properly assists a golfer in obtaining a preferred putting stroke.
- The present invention overcomes the limitations in the prior art by providing a putter grip with an upper grip section that is fixed to the putter shaft, and a lower grip section that is free to both rotate and axially slide along the putter shaft. In one embodiment, this lower grip section actually slides and rotates over a core that is also used by the upper grip section. Slide stops on this core then restrain the axial motion of the lower section to a limited portion of the putter shaft.
-
FIG. 1 is a plan view of an improved putter grip of the present invention, with arrows showing the range of motion available to the lower grip section. -
FIG. 2 is a cross-sectional view of the putter grip shown inFIG. 1 . -
FIG. 3 is a plan view of a second embodiment of the present invention putter grip, with the upper grip section separated from the lower grip section, such as when used on an elongated putter shaft. -
FIGS. 4 a through 4 f show the putter grip of the present invention in use during the putting stroke. - Configuration
-
FIGS. 1 and 2 shows the upper portion of agolf club shaft 8, upon which is included agrip assembly 10 of the present invention. Thegrip assembly 10 includes anupper hand grip 20 and alower hand grip 30. Theupper hand grip 20 is secured to theshaft 8 to prevent both rotational movement around theshaft 8 and translational movement along the length of theshaft 8. In contrast, thelower hand grip 30 is attached to theshaft 8 in such a manner as to allow both rotational movement (represented by arrows 40) and axial or translational movement (represented by arrows 42) with respect to theshaft 8. - In the embodiment shown in
FIGS. 1 and 2 , this is accomplished in part via the use of acylindrical core element 50. Thishand grip core 50 is placed over the upper portion ofshaft 8 and fixed thereto through conventional means known in the prior art, such as glue, epoxy, or double-sided adhesive tape. Theupper grip 20 is located on theupper portion 52 ofcore 50 and is fixed thereto, such as by attaching theupper grip 20 to thecore 50 or by forming theupper grip 20 out of a portion of thecore 50. In one embodiment of the present invention, thecore 50 is formed with a plurality ofopenings 54 along itsupper portion 52. These openings allow the epoxy or tape that is used to secure thecore 50 to theshaft 8 to also contact theupper hand grip 20 and secure thatgrip 20 in place. Regardless of the technique used, movement of theupper grip 20 with respect to theshaft 8 is prohibited. - In the preferred embodiment, the
lower hand grip 30 is implemented as a grippingsurface 32 surrounding a sleeve orhub 34. Thishub 34 is preferably implemented as a second cylinder having an internal diameter slightly larger than the outer diameter of thehand grip core 50. When thishub 34 is then placed over thelower portion 56 of thehand grip core 50, the comparative sizing allows thehub 34 and the rest of thelower hand grip 30 to move both axially along thecore 50 and rotationally around thecore 50. The relative diameters of thehub 34 and thecore 50 should be such as to allow both rotation and axial movement of thehub 34 along thecore 50 while also maintaining a generally coaxial alignment of thehub 34 andcore 50. To lower the friction between the interior ofhub 34 and the exterior ofcore 50, it is possible to use a variety of techniques known in the prior art, such as conventional lubrication, ball bearings integrated into thehub 34 orcore 50, or linings/coatings using low friction surfaces such as graphite or TEFLON.® It is also within the scope of this invention to use no special lubrication means, and simply rely on the relative smooth surfaces on the interior ofhub 34 and the exterior ofcore 50 to reduce friction. - The axial movement of the
lower hand grip 30 is restricted by an upper slide stop 60 and alower slide stop 62. Thesestops 60, 62 are attached tocore 50 at such positions so as to allow thelower hand grip 30 to slide axially (arrows 42) with respect to thecore 50 and hence with respect to thegolf club shaft 8. Thestops 60, 62 are preferably made using a resilient ring that can be stretched to move along thecore 50 to their preferred location. In an alternative embodiment, the upper slide stop 60 either abuts theupper grip 20 or is formed integral to theupper grip 20. The invention would also function appropriately if thestops 60, 62 were not movable, but were rather fixed to certain locations on thecore 50 orshaft 8. - The distance between the
stops 60, 62 must exceed thelength 36 of thelower hand grip 30 enough so as to allow significant axial movement. Preferably, thelower hand grip 30 is allowed between five to ten inches of axial movement, although significant beneficial impact on the putting stroke of the average user can be obtained with greater or lesser movement ranges, including an axial movement of only a single inch. - In some putter configurations, such as with long and extra long shaft putters, it would be possible to separate the
upper grip portion 20 from thelower grip portion 30 along thegolf club shaft 8, such as shown inFIG. 3 . These putters would still benefit from the uniquelower grip portion 30 of the present invention that allows bothrotational movement 40 andaxial movement 42 of thegrip 30 around theshaft 8. - As shown in
FIG. 4 a to 4 f, thelower hand grip 30 is free to rotate and move axially relative to the core 50 during the putting stroke.FIG. 4 a shows a golfer 100 addressing aball 110 at the beginning of the putting stroke. The golfer 100 is using aputter 120 having alower grip portion 130 that allows movement rotationally and axially with respect to the rest of the putter during the putting stroke. InFIG. 4 b, the golfer 100 begins his backstroke. The lower grip portion allows the golfer's lower hand to extend smoothly down the putter shaft on the back swing. This is shown inFIG. 4 c. InFIG. 4 d, the golfer has begun his forward swing and is now impacting the ball. During the forward swing, the lower grip portion beings to travel smoothly up the club shaft to the point of ball strike and beyond. The follow through of the putting stroke is shown inFIGS. 4 e and 4 f. The slide travel for a given putt is determined geometrically by the golfer's arm length and arm separation or shoulder width. Throughout the putting stroke shown inFIGS. 4 a-4 f, thelower grip portion 130 is free to rotate about the shaft of theputter 120. - The movement of the golfer's lower hand along and around the shaft of
putter 120 during the putting stroke allows the putter head to track the target with minimum body motion or shoulder roll. This also reduces the tendency for the lower hand to misdirect the club face from the intended target line. In this way, the present invention promotes a smooth pendulum swing path and proper tempo resulting in better ball roll for all putts, short or long. The lower hand becomes very passive in terms of directing the ball heading and therefore cannot misdirect the club face orientation from the desired ball heading as set by the swing path of the upper hand. - The present invention also provides a “feel and touch” feedback through the hands that continuously reinforces the proper putter swing characteristics. The free motion of the
lower grip 130 provides a smoother and more natural pendulum motion in the putting stroke. This lower grip slide motion also creates the sensation that the stroke has enhanced power simply because it is so efficient. The expectation is that with less swing motion for a given putt one should have a greater success rate or accuracy. - This aspect of the present invention also promotes proper tempo and shoulder roll and release. The rear shoulder (right shoulder for a right-handed player) needs to release the putter down the line through impact and beyond ball strike. Failure to release the shoulder usually results in putts not reaching the hole. Particularly with short putts, golfers tend to baby the putt or steer the ball to the hole. The free motion of the
lower grip 130 also provides feedback when a ball strike is not accomplished with proper tempo or above ball center. When this occurs, a disturbance is felt through thelower grip 130 in the form of a small shake or vibration. - The invention is not to be taken as limited to all of the details thereof as modifications and variations thereof may be made without departing from the spirit or scope of the invention. For instance, the above description describes a cylindrical
inner core 50 around which theupper grip 20 is attached and thelower grip 30 is allowed to move axially and rotationally. It would be well within the scope of the present invention to separate the core 50 from theupper hand grip 30, so that theupper hand grip 30 is attached directly to theshaft 8. In addition, it would be within the scope of the present invention to utilize a specially constructedshaft 8 that provided an essentially cylindrical portion to take the place ofcore 50. The upper and lower slide stops 60,62 would then be mounted directly on theshaft 8. Consequently, the invention should be limited only by the following claims.
Claims (6)
1. A golf club as specified by the United States Golf Association definitions and key design characteristic regarding clubs in general and more specifically putters and putters with two grips. (ref. www.usga.org “The rules of Golf”) Appendix II.
2. The golf club as defined in claim 1 . with the added feature of the lower grip allowed to function kinetically as an inversion of a crank-slide mechanism (ref. Kent's Mechanical Engineers' Handbook, Copyright 1915 by William Kent) and (www-2.cs.cmu.edu/People/rapidproto/mechanisms/chpt5.html) chapter 5.2.7 figure 5-14d
3. A method of putting a ball using a pendulum characteristic swing that has a club head velocity in both the back swing and forward swing directions according to the acceleration and velocity of the lower grip slide-link mechanism.
4. Further the slide-link method of putting allows for better distance control because the putter head velocity at impact or force imparted to the ball is the result of two velocity vectors of the lower grip, one being the velocity of the slide-link along the club shaft and the second being the velocity of the slide-link in the fore-aft swing direction.
5. Further the slide-link method creates smooth ball roll every time because the relationship of the putter shaft is always at the optimum vertical position at ball strike since the upper grip is held in a fixed location throughout the swing for all putts regardless of the distance or length of putt.
6. Further the slide-link method of putting eliminates many of the variables present with the conventional putting stroke, i.e. the confounding of both target line and distance along with the body motion—shoulder roll, the inter actions of left and right arms as well as the hands.
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US10/793,372 US20050197201A1 (en) | 2004-03-04 | 2004-03-04 | Rotating and axially moving putter grip |
Applications Claiming Priority (1)
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US10/793,372 US20050197201A1 (en) | 2004-03-04 | 2004-03-04 | Rotating and axially moving putter grip |
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US20050197201A1 true US20050197201A1 (en) | 2005-09-08 |
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US10/793,372 Abandoned US20050197201A1 (en) | 2004-03-04 | 2004-03-04 | Rotating and axially moving putter grip |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060142091A1 (en) * | 2004-03-15 | 2006-06-29 | Berokoff Andrew J | Golf club |
US20090137337A1 (en) * | 2007-11-24 | 2009-05-28 | Hyung In Shin | Golf putter with an adjustable handle and a shaft that rotats about the handle and method for using the same |
US20110165957A1 (en) * | 2010-01-01 | 2011-07-07 | Lu Clive S | Golf Club Grip |
US20110230275A1 (en) * | 2008-05-07 | 2011-09-22 | David Raymond Hicks | Golf putters |
US10589156B1 (en) * | 2018-01-18 | 2020-03-17 | Charles Isgar | Adjustable grip |
US10974112B1 (en) | 2018-01-18 | 2021-04-13 | Charles Isgar | Custom grip |
US10987558B1 (en) | 2018-01-18 | 2021-04-27 | Charles Isgar | Custom grip |
US11040260B1 (en) | 2018-01-18 | 2021-06-22 | Charles Isgar | Customized golf club grip |
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US7150685B1 (en) * | 2004-03-15 | 2006-12-19 | Berokoff Andrew J | Golf club |
US7357729B2 (en) | 2004-03-15 | 2008-04-15 | Berokoff Andrew J | Golf club |
US20090137337A1 (en) * | 2007-11-24 | 2009-05-28 | Hyung In Shin | Golf putter with an adjustable handle and a shaft that rotats about the handle and method for using the same |
US7708651B2 (en) * | 2007-11-24 | 2010-05-04 | Hyung In Shin | Golf putter with an adjustable handle and a shaft that rotates about the handle and method for using the same |
US20110230275A1 (en) * | 2008-05-07 | 2011-09-22 | David Raymond Hicks | Golf putters |
US20110165957A1 (en) * | 2010-01-01 | 2011-07-07 | Lu Clive S | Golf Club Grip |
US8272973B2 (en) * | 2010-01-01 | 2012-09-25 | Lu Clive S | Golf club grip |
US10589156B1 (en) * | 2018-01-18 | 2020-03-17 | Charles Isgar | Adjustable grip |
US10946258B1 (en) | 2018-01-18 | 2021-03-16 | Charles Isgar | Adjustable grip |
US10946259B1 (en) | 2018-01-18 | 2021-03-16 | Charles Isgar | Adjustable grip |
US10974112B1 (en) | 2018-01-18 | 2021-04-13 | Charles Isgar | Custom grip |
US10987558B1 (en) | 2018-01-18 | 2021-04-27 | Charles Isgar | Custom grip |
US11040260B1 (en) | 2018-01-18 | 2021-06-22 | Charles Isgar | Customized golf club grip |
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