Mahaffey; Steven J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Mahaffey; Steven J..The latest application filed is for "golf club head with peripheral weighting".
- Mahaffey; Steven J. - San Marcos CA
- Mahaffey; Steven J. - Northampton MA
- Mahaffey; Steven J. - Belchertown MA
- Mahaffey; Steven J. - Wilbraham MA
- Mahaffey; Steven J. - Hampden MA
- Mahaffey; Steven J. - Monson MA
| Patent | Date |
|---|---|
| Iron golf club head Grant D563,497 - Mahaffey , et al. March 4, 2 | 2008-03-04 |
| Iron golf club head Grant D556,278 - Mahaffey , et al. November 27, 2 | 2007-11-27 |
| Golf club head Grant D533,611 - Mahaffey , et al. December 12, 2 | 2006-12-12 |
| Golf club head Grant D531,686 - Mahaffey November 7, 2 | 2006-11-07 |
| Golf club head Grant D529,969 - Mahaffey October 10, 2 | 2006-10-10 |
| Golf club head Grant D521,091 - Mahaffey , et al. May 16, 2 | 2006-05-16 |
| Golf club head with peripheral weighting Grant 6,988,960 - Mahaffey , et al. January 24, 2 | 2006-01-24 |
| Golf club head with a face insert Grant 6,986,715 - Mahaffey January 17, 2 | 2006-01-17 |
| Golf club head Grant D509,869 - Mahaffey September 20, 2 | 2005-09-20 |
| Golf club set with progressive weight pad Grant 6,935,967 - Mahaffey , et al. August 30, 2 | 2005-08-30 |
| Golf club head with peripheral weighting App 20050148406 - Mahaffey, Steven J. ; et al. | 2005-07-07 |
| Golf club head with peripheral weighting Grant 6,890,267 - Mahaffey , et al. May 10, 2 | 2005-05-10 |
| Golf club head with peripheral weighting Grant 6,860,818 - Mahaffey , et al. March 1, 2 | 2005-03-01 |
| Golf club set with progressive weight pad App 20040254027 - Mahaffey, Steven J. ; et al. | 2004-12-16 |
| Golf club head Grant D499,779 - Mahaffey , et al. December 14, 2 | 2004-12-14 |
| A Golf Club Head With A Face Insert App 20040209704 - Mahaffey, Steven J. | 2004-10-21 |
| Golf club head with peripheral weighting App 20040176177 - Mahaffey, Steven J. ; et al. | 2004-09-09 |
| Golf club set with variable thickness and/or density face inserts App 20040157677 - Roach, Ryan L. ; et al. | 2004-08-12 |
| Golf club head Grant D492,377 - Roach , et al. June 29, 2 | 2004-06-29 |
| Golf club head with peripheral weighting App 20030232659 - Mahaffey, Steven J. ; et al. | 2003-12-18 |
| Explosion bonded laminated face inserts for golf clubs App 20030157995 - Mahaffey, Steven J. | 2003-08-21 |
| Golf club set with variable thickness and/or density face inserts App 20030153397 - Roach, Ryan ; et al. | 2003-08-14 |
| Golf club head with high strength insert App 20030119602 - Kennedy, Thomas J. III ; et al. | 2003-06-26 |
| Golf club head having rear cavity plate Grant D443,665 - Mahaffey June 12, 2 | 2001-06-12 |
| Laminated lightweight inserts for golf club heads Grant 6,074,309 - Mahaffey June 13, 2 | 2000-06-13 |
| Laminated lightweight inserts for golf club heads Grant 5,827,131 - Mahaffey , et al. October 27, 1 | 1998-10-27 |
| Golf club iron with vibration dampening ramp bar Grant 5,549,297 - Mahaffey August 27, 1 | 1996-08-27 |
| Crownless golf club Grant 5,518,242 - Mahaffey , et al. May 21, 1 | 1996-05-21 |
| Crownless golf club Grant 5,429,354 - Long , et al. July 4, 1 | 1995-07-04 |
| Metal wood with sound dampener bar Grant 5,419,559 - Melanson , et al. May 30, 1 | 1995-05-30 |
| Golf club head Grant D318,511 - Mahaffey * July 23, 1 | 1991-07-23 |
| Golf club head Grant D318,510 - Mahaffey * July 23, 1 | 1991-07-23 |
| Golf club head Grant D316,583 - Mahaffey , et al. April 30, 1 | 1991-04-30 |
| Golf club Grant 4,762,322 - Molitor , et al. August 9, 1 | 1988-08-09 |
| Golf club grip Grant D295,207 - Mahaffey April 12, 1 | 1988-04-12 |
| Golf putter head Grant D270,852 - Mahaffey , et al. October 4, 1 | 1983-10-04 |
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