TREA

Nina Coefield

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  • Great Falls, MT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Crossword puzzle game
    • Patent number 4,179,126
    • Issue date Dec 18, 1979
    • Nina Coefield
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Crossword puzzle game
    • Patent number 4,106,773
    • Issue date Aug 15, 1978
    • Nina Coefield
    • A63 - SPORTS GAMES AMUSEMENTS