|
| US4017084 | 30 Jun 1975 | 12 Abr 1977 | | Golf putting and chipping device |
| US4279420 | 17 Dic 1979 | 21 Jul 1981 | | Portable golf practice platform |
| US4875684 | 20 Ene 1988 | 24 Oct 1989 | | Orientable platform, in particular for training in golf |
| US5024441 | 5 Abr 1989 | 18 Jun 1991 | | Golfcourse simulator device |
| US5156398 | 10 Feb 1992 | 20 Oct 1992 | | Golf mat |
| US5340111 | 10 Jun 1993 | 23 Ago 1994 | | Golf driving range platform |
| US5358251 | 20 Sep 1993 | 25 Oct 1994 | | Golf training aid/simulator |
| US5470074 | 18 Jul 1994 | 28 Nov 1995 | | Golf practice tee apparatus having selectively adjustable inclination for simulating uneven lies and method for use of same |
| US5518245 | 29 Ago 1995 | 21 May 1996 | | Golf practice apparatus |
| US5527042 | 21 Dic 1993 | 18 Jun 1996 | | Inclining golf practice platform pivotable by user's weight |
| US5558334 | 16 Ago 1995 | 24 Sep 1996 | | Golf tee platform |
| US5655974 | 13 Ago 1996 | 12 Ago 1997 | | Golf playing surface assembly |
| US5683306 | 14 Jun 1996 | 4 Nov 1997 | 680104 Alberta Ltd. | Inclining golf practice platform pivotable by user's weight |
| US5885168 | 13 May 1997 | 23 Mar 1999 | | Golf playing surface assembly |
| US6514152 | 10 Dic 2001 | 4 Feb 2003 | | Platform for training golf |
| US6964615 | 5 May 2003 | 15 Nov 2005 | | Adjustable slope and contour practice putting green assembly and method |
| US8187122 | 30 Sep 2010 | 29 May 2012 | SRI Sports Limited | Club fitting system |
