TREA

Richard C. M. Cheng

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  • Mantua, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Model track section
    • Patent number 4,084,746
    • Issue date Apr 18, 1978
    • Richard C. M. Cheng
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Model roadway track construction
    • Patent number 4,082,220
    • Issue date Apr 4, 1978
    • Tyco Industries, Inc.
    • Richard C. M. Cheng
    • A63 - SPORTS GAMES AMUSEMENTS