TREA

McGowan; Bernard W.

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  • Oklahoma City, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Math game
    • Patent number 5,366,226
    • Issue date Nov 22, 1994
    • McGowan; Bernard W.
    • Bernard W. McGowan
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Apparatus and method of playing a math game
    • Patent number 5,149,102
    • Issue date Sep 22, 1992
    • McGowan; Bernard W.
    • Bernard W. McGowan
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks