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John C. Pritchard

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  • Thousand Oaks, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stabilizing skeg device
    • Patent number 6,220,631
    • Issue date Apr 24, 2001
    • Doink, Incorporated
    • John C. Pritchard
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Stabilizing skeg device
    • Patent number 6,007,101
    • Issue date Dec 28, 1999
    • Doink Incorporated
    • John C. Pritchard
    • A63 - SPORTS GAMES AMUSEMENTS