TREA

David F. Specht

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  • Parma, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Game board apparatus
    • Patent number 5,681,042
    • Issue date Oct 28, 1997
    • Dream Makers, Inc.
    • Joseph R. D'Aurora
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Investment game board and apparatus
    • Patent number 4,466,515
    • Issue date Aug 21, 1984
    • Joseph R. D'Aurora
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Electronic crossword puzzle
    • Patent number 4,369,973
    • Issue date Jan 25, 1983
    • Joseph R. D'Aurora
    • A63 - SPORTS GAMES AMUSEMENTS