|
| US3966203 | 10 Mar 1975 | 29 Jun 1976 | | Resistance type golf swing practice and exercise device |
| US4135714 | 3 Feb 1976 | 23 Ene 1979 | | Golf swing muscle developer |
| US4165879 | 26 Ago 1976 | 28 Ago 1979 | | Golf game |
| US4253663 | 5 Jun 1978 | 3 Mar 1981 | | Golf swing muscle developer |
| US4577862 | 30 Ene 1984 | 25 Mar 1986 | | Isokinetic exercise apparatus and method |
| US4592545 | 11 Sep 1984 | 3 Jun 1986 | | Isokinetic exercise apparatus and method |
| US4681317 | 10 May 1985 | 21 Jul 1987 | | Golf exercise device |
| US4749189 | 11 Oct 1985 | 7 Jun 1988 | | Exercise machine for hockey players |
| US4944518 | 22 May 1989 | 31 Jul 1990 | | Golf swing practice and exercise apparatus |
| US5007635 | 12 Abr 1989 | 16 Abr 1991 | | Exercise device |
| US5199713 | 20 Feb 1992 | 6 Abr 1993 | | Golf swing training device |
| US5458340 | 30 Ene 1995 | 17 Oct 1995 | | Golf swing training device |
| US5509873 | 24 Nov 1993 | 23 Abr 1996 | | Exercise device with adjustable resistance |
| US5524893 | 21 Jul 1995 | 11 Jun 1996 | | Apparatus for golf swing training |
| US5733231 | 19 Mar 1996 | 31 Mar 1998 | Joshua A. Corn | Exercise device with variable resistance |
| US6022299 | 29 Ene 1998 | 8 Feb 2000 | | Gripping device for cable pulley exercise system |
| US6537184 | 22 Feb 2001 | 25 Mar 2003 | Kellion Corporation | Swing exerciser |
| US6579214 | 15 Feb 2002 | 17 Jun 2003 | Anthony M Crump | Golfing exercise machine |
| US6648780 | 4 Oct 2000 | 18 Nov 2003 | | Tennis training device |
| US6910973 | 20 Nov 2003 | 28 Jun 2005 | | Golf swing training device |
| US7048638 | 6 Dic 2002 | 23 May 2006 | | Constant force golf swing training device, method of swing plane training and internet operation thereof |
| US7134968 | 27 Jun 2005 | 14 Nov 2006 | | Golf swing training and exercising device |
| US7153245 | 14 Feb 2002 | 26 Dic 2006 | Kellion Corporation | Golf exerciser |
| US7553239 | 26 Mar 2004 | 30 Jun 2009 | | Sports training and conditioning device |
| US7727131 | 10 Mar 2006 | 1 Jun 2010 | Brett J. Longo | Linked stretch tubing |
| US7785237 | 13 Abr 2005 | 31 Ago 2010 | Technogym S.p.A. | Exercise machine and gripping component thereof |
| US7914390 | 24 Feb 2009 | 29 Mar 2011 | | Portable sports swing training device and method |
| US8192335 | 15 Nov 2005 | 5 Jun 2012 | | Strength and conditioning device and method of conditioning |
| USD362894 | 29 Ago 1994 | 3 Oct 1995 | | Golf swing training exerciser |
| USD399272 | 27 Sep 1996 | 6 Oct 1998 | Joshua A. Corn | Exercise device |
| USD414228 | 3 Jun 1998 | 21 Sep 1999 | Joshua A. Corn | Removable variable resistance disk for an exercise device |
