TREA

John R. Vanderhoof

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  • New York, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for a game
    • Patent number 4,637,609
    • Issue date Jan 20, 1987
    • John R. Vanderhoof
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Method and apparatus for a game
    • Patent number 4,591,161
    • Issue date May 27, 1986
    • John R. Vanderhoof
    • A63 - SPORTS GAMES AMUSEMENTS