|
| US4265450 | 4 Jun 1979 | 5 May 1981 | Leach Industries | Metal racketball rackets |
| US4299348 | 23 Ene 1980 | 10 Nov 1981 | Mansei Kogyo Kabushiki Kaisha | Method of making a game racket |
| US4436305 | 26 Ago 1981 | 13 Mar 1984 | American Sports Equipment | Composite reinforced racket structure |
| US4496152 | 3 Nov 1981 | 29 Ene 1985 | | Racquets with protective bumper strip |
| US4732383 | 21 Abr 1986 | 22 Mar 1988 | Ferrari Importing Company | Shock and vibration absorber for racquets and method for its use |
| US5149090 | 30 Dic 1991 | 22 Sep 1992 | | Vibration damping device for sports racquet |
| US5217223 | 11 Jul 1991 | 8 Jun 1993 | Lisco, Inc. | Tennis racket with metal/composite frame |
| US5374059 | 10 Feb 1994 | 20 Dic 1994 | | Shock absorbing grip for racquets and the like |
| US5618041 | 7 Mar 1996 | 8 Abr 1997 | | Slip resistant sport grip |
| US5645501 | 13 Nov 1995 | 8 Jul 1997 | | Grip construction |
| US5671923 | 15 Abr 1996 | 30 Sep 1997 | | Grip for golf shafts |
| US5730669 | 23 Ene 1997 | 24 Mar 1998 | | Handle grip and method of making same |
| US5772524 | 14 Jun 1996 | 30 Jun 1998 | | Water retarding golf club grip |
| US5785607 | 25 Jul 1996 | 28 Jul 1998 | | Spiral cut sleeve-type golf club grip |
| US5803828 | 16 Jul 1996 | 8 Sep 1998 | | Slip-on golf club grip |
| US5813921 | 16 May 1997 | 29 Sep 1998 | | Sleeve-type grip for golf shafts |
| US5816934 | 25 Feb 1997 | 6 Oct 1998 | | Golf club grip and method of making same |
| US5827129 | 14 May 1997 | 27 Oct 1998 | | Grip for golf club shafts |
| US5895329 | 26 Feb 1996 | 20 Abr 1999 | | Golf club shaft grip |
| US5910054 | 13 Mar 1998 | 8 Jun 1999 | | Grip for hollow golf club shafts |
| US7077768 | 27 May 2004 | 18 Jul 2006 | EF Composite Technologies, L.P. | Composite racquet with double tube head frame |
| USRE31224 | 22 Oct 1979 | 3 May 1983 | Leach Industries, Inc. | Metal-plastic composite racquet |
| USRE37702 | 19 May 2000 | 14 May 2002 | | Golf club shaft grip |
