TREA

Timothy A. Effler

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  • Torrance, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic maze game
    • Patent number 4,326,719
    • Issue date Apr 27, 1982
    • Mattel, Inc.
    • Luan G. Tran
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Electronic game system
    • Patent number 4,322,074
    • Issue date Mar 30, 1982
    • Mattel, Inc.
    • David F. James
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE