|
| US4058312 | 5 sept. 1974 | 15 nov. 1977 | The Square Two Golf Corporation | Golf club |
| US4090711 | 15 avr. 1976 | 23 mai 1978 | | Golf club shafts including vibratory means |
| US4203598 | 17 oct. 1977 | 20 mai 1980 | Square Two Golf Corporation | Golf club |
| US4461479 | 1 mars 1982 | 24 juil. 1984 | | Golf club having weighted handle |
| US4674746 | 27 mars 1984 | 23 juin 1987 | | Golf club |
| US5083790 | 27 juin 1991 | 28 janv. 1992 | | Golf swing training stick |
| US5364102 | 22 sept. 1993 | 15 nov. 1994 | | Weighted golf putter |
| US5465967 | 31 oct. 1994 | 14 nov. 1995 | | Universal grip with adjustable backweighting capability |
| US5575722 | 6 sept. 1995 | 19 nov. 1996 | Vertebrex Golf L.L.C. | Golf club stabilizer and method of stabilizing a golf club |
| US5632691 | 22 janv. 1996 | 27 mai 1997 | Golfology, Inc. | Golf putter |
| US5865687 | 25 sept. 1996 | 2 févr. 1999 | | Modulator system for golf clubs |
| US5993327 | 19 mai 1998 | 30 nov. 1999 | Terry Terril Thomas Terril | Golf putting device and method of using the same to putt a golf ball |
| US6007431 | 2 oct. 1998 | 28 déc. 1999 | | Golf clubs, and matched sets thereof, with frictionally-dissipative, vibration-damping counterweights |
| US6056646 | 16 sept. 1997 | 2 mai 2000 | | Golf club shaft with inner member |
| US6117028 | 18 déc. 1998 | 12 sept. 2000 | | Shock absorbing device for use in ballgame goods having tubular rod-shaped body |
| US6190267 | 9 oct. 1998 | 20 févr. 2001 | COPEX Corporation | Golf club head controlling golf ball movement |
| US7041000 | 12 févr. 2004 | 9 mai 2006 | Accel Golf, Inc. | Training golf club |
| US7261641 | 6 janv. 2004 | 28 août 2007 | Balance-Certified Golf, Inc. | Method and apparatus for improving dynamic response of golf club |
| US7267619 | 21 juin 2006 | 11 sept. 2007 | | Golf club balancing apparatus |
| US7699718 | 21 mars 2007 | 20 avr. 2010 | Balance-Certified Golf, Inc. | Apparatus for weighting golf club shaft |
| US7704160 | 18 juil. 2008 | 27 avr. 2010 | Balance-Certified Golf, Inc. | Apparatus for weighting golf club shaft |
| US7704161 | 18 juil. 2008 | 27 avr. 2010 | Balance-Certified Golf, Inc. | Apparatus for weighting golf club shaft |
| US7874944 | 2 avr. 2008 | 25 janv. 2011 | Lax Advantage LLC | Weighted end cap for lacrosse stick |