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Steven J. Mahaffey

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  • Belchertown, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Golf club head with peripheral weighting
    • Patent number 6,988,960
    • Issue date Jan 24, 2006
    • Callaway Golf Company
    • Steven J. Mahaffey
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head with a face insert
    • Patent number 6,986,715
    • Issue date Jan 17, 2006
    • Callaway Golf Company
    • Steven J. Mahaffey
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club set with progressive weight pad
    • Patent number 6,935,967
    • Issue date Aug 30, 2005
    • Callaway Golf Company
    • Steven J. Mahaffey
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head with peripheral weighting
    • Patent number 6,890,267
    • Issue date May 10, 2005
    • Callaway Golf Company
    • Steven J. Mahaffey
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head with peripheral weighting
    • Patent number 6,860,818
    • Issue date Mar 1, 2005
    • Callaway Golf Company
    • Steven J. Mahaffey
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number D499779
    • Issue date Dec 14, 2004
    • Callaway Golf Company
    • Steven J. Mahaffey
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Golf club head
    • Patent number D492377
    • Issue date Jun 29, 2004
    • The Top-Flite Golf Company
    • Ryan Roach
    • D21 - Games, toys, and sports goods

Patents Applicationslast 30 patents