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Melford D. Clark

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  • Prospect Heights, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Puzzle
    • Patent number 4,410,180
    • Issue date Oct 18, 1983
    • Melford D. Clark
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Magnetic drop game
    • Patent number 4,349,201
    • Issue date Sep 14, 1982
    • Melford D. Clark
    • A63 - SPORTS GAMES AMUSEMENTS