TREA

Gregory D. Allen

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  • Woodbury, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toy having enclosed antenna
    • Patent number 6,529,139
    • Issue date Mar 4, 2003
    • 3M Innovative Properties Company
    • Catherine H. Behun
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Game with privacy material
    • Patent number 6,120,026
    • Issue date Sep 19, 2000
    • 3M Innovative Properties Co.
    • Leland R. Whitney
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Toy having image mode and changed image mode
    • Patent number 6,053,795
    • Issue date Apr 25, 2000
    • 3M Innovative Properties Company
    • Leland R. Whitney
    • G02 - OPTICS