Grand Slam Sports, LLC

Organization

  • Southfield, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotating wheel return mechanism

    • Patent number 7,137,910
    • Issue date Nov 21, 2006
    • Grand Slam Sports, LLC
    • James A. Ktson
    • A63 - SPORTS GAMES AMUSEMENTS

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