TREA

Anthony J. Gretzky

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  • Muskegon, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Convertible bowling lane
    • Patent number 5,800,275
    • Issue date Sep 1, 1998
    • Brunswick Bowling & Billiards
    • Anthony J. Gretzky
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Convertible bowling lane
    • Patent number 5,564,986
    • Issue date Oct 15, 1996
    • Brunswick Bowling & Billiards
    • Anthony J. Gretzky
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Multi-position rubber pinsetter deck chute
    • Patent number 5,364,314
    • Issue date Nov 15, 1994
    • Brunswick Bowling & Billiards Corporation
    • Roy A. Burkholder
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Pinwheel structure for bowling pin setters
    • Patent number 4,949,962
    • Issue date Aug 21, 1990
    • Brunswick Bowling and Billiards Corporation
    • Anthony J. Gretzky
    • A63 - SPORTS GAMES AMUSEMENTS