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Jon P. Rosenfeld

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  • Arlington, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic boxing game
    • Patent number 4,398,717
    • Issue date Aug 16, 1983
    • Jon P. Rosenfeld
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Electronic boxing game
    • Patent number 4,366,960
    • Issue date Jan 4, 1983
    • Coleco Industries, Inc.
    • Eric Bromley
    • A63 - SPORTS GAMES AMUSEMENTS