TREA

Stern; Max M.

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  • Lake Forest, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Officiating communication device
    • Patent number 5,557,253
    • Issue date Sep 17, 1996
    • Stern; Max M.
    • Kenneth J. Hegemann
    • A63 - SPORTS GAMES AMUSEMENTS