Inventor · disambiguated record
Steven J. Mahaffey
Also filed as: MAHAFFEY STEVEN J · MAHAFFEY STEVEN JACOB
28 granted patents·5 pending applications·2,802 citations·filing 1981–2022
98Inventor score
Files withCALLAWAY GOLF CO13LISCO INC4SPALDING & EVENFLO COMPANIES INC4SPALDING SPORTS WORLDWIDE INC4QUESTOR CORP2
Top patents by PatentIndex Score
33 records- 0199US6988960B2Golf club head with peripheral weightingCALLAWAY GOLF CO·Filed 2005·Granted Jan 24, 2006·339 cites·13 claims
- 0299US6890267B2Golf club head with peripheral weightingCALLAWAY GOLF CO·Filed 2004·Granted May 10, 2005·269 cites·2 claims
- 0399US6860818B2Golf club head with peripheral weightingCALLAWAY GOLF CO·Filed 2003·Granted Mar 1, 2005·352 cites·7 claims
- 0499USD499779SGolf club headCALLAWAY GOLF CO·Filed 2003·Granted Dec 14, 2004·153 cites·1 claims
- 0598USD295207SGolf club gripSPALDING & EVENFLO COMPANIES INC·Filed 1985·Granted Apr 12, 1988·78 cites·1 claims
- 0696US5419559AMetal wood with sound dampener barLISCO INC·Filed 1994·Granted May 30, 1995·245 cites·11 claims
- 0795US6986715B2Golf club head with a face insertCALLAWAY GOLF CO·Filed 2004·Granted Jan 17, 2006·94 cites·16 claims
- 0895US4762322AGolf clubSPALDING & EVENFLO·Filed 1985·Granted Aug 9, 1988·334 cites·4 claims
- 0994US5549297AGolf club iron with vibration dampening ramp barFiled 1995·Granted Aug 27, 1996·153 cites·5 claims
- 1092USD533611SGolf club headCALLAWAY GOLF CO·Filed 2005·Granted Dec 12, 2006·50 cites·1 claims
- 1192US6074309ALaminated lightweight inserts for golf club headsSPALIDNG SPORTS WORLDWIDE INC·Filed 1998·Granted Jun 13, 2000·150 cites·6 claims
- 1291USD556278SIron golf club headCALLAWAY GOLF CO·Filed 2006·Granted Nov 27, 2007·46 cites·1 claims
- 1391US5827131ALaminated lightweight inserts for golf club headsLISCO INC·Filed 1996·Granted Oct 27, 1998·124 cites·12 claims
- 1488US5518242ACrownless golf clubLISCO INC·Filed 1995·Granted May 21, 1996·101 cites·3 claims
- 1587USD521091SGolf club headCALLAWAY GOLF CO·Filed 2005·Granted May 16, 2006·37 cites·1 claims
- 1687USD316583SGolf club headSPALDING & EVENFLO COMPANIES INC·Filed 1988·Granted Apr 30, 1991·25 cites·1 claims
- 1786USD563497SIron golf club headCALLAWAY GOLF CO·Filed 2006·Granted Mar 4, 2008·36 cites·1 claims
- 1885USD509869SGolf club headCALLAWAY GOLF CO·Filed 2004·Granted Sep 20, 2005·39 cites·1 claims
- 1979US5429354ACrownless golf clubLISCO INC·Filed 1994·Granted Jul 4, 1995·57 cites·8 claims
- 2078US6935967B2Golf club set with progressive weight padCALLAWAY GOLF CO·Filed 2003·Granted Aug 30, 2005·31 cites·5 claims
- 2177USD270852SGolf putter headQUESTOR CORP·Filed 1981·Granted Oct 4, 1983·18 cites·1 claims
- 2275USD269101SGolf club iron headQUESTOR CORP·Filed 1981·Granted May 24, 1983·14 cites·1 claims
- 2366USD443665SGolf club head having rear cavity plateSPALDING SPORTS WORLDWIDE INC·Filed 2000·Granted Jun 12, 2001·14 cites·1 claims
- 2465USD531686SGolf club headCALLAWAY GOLF CO·Filed 2005·Granted Nov 7, 2006·14 cites·1 claims
- 2563USD492377SGolf club headTOP FLITE GOLF CO·Filed 2002·Granted Jun 29, 2004·12 cites·1 claims
- 2663US2023181415A1Ultrasonic Fluid Pump for LymphedemaUNIV ARKANSAS·Filed 2022·Application pending·0 cites
- 2754USD318511SGolf club headSPALDING & EVENFLO COMPANIES INC·Filed 1987·Granted Jul 23, 1991·6 cites·1 claims
- 2850USD529969SGolf club headCALLAWAY GOLF CO·Filed 2005·Granted Oct 10, 2006·7 cites·1 claims
- 2949US2004157677A1Golf club set with variable thickness and/or density face insertsTOP FLITE GOLF CO·Filed 2004·Application pending·0 cites
- 3047US2003157995A1Explosion bonded laminated face inserts for golf clubsSPALDING SPORTS WORLDWIDE INC·Filed 2003·Application pending·0 cites
- 3147US2003153397A1Golf club set with variable thickness and/or density face insertsSPALDING SPORTS WORLDWIDE INC·Filed 2002·Application pending·0 cites
- 3246USD318510SGolf club headSPALDING & EVENFLO COMPANIES INC·Filed 1987·Granted Jul 23, 1991·4 cites·1 claims
- 3344US2003119602A1Golf club head with high strength insertSPALDING SPORTS WORLDWIDE INC·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →