TREA

Richard Shih-Teng Chang

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  • Rolling Hills Estates, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toy flying device
    • Patent number 5,433,669
    • Issue date Jul 18, 1995
    • Lewis Galoob Toys, Inc.
    • Richard S. Chang
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Toy car launcher with cable driven shuttle and pulleys
    • Patent number 5,052,973
    • Issue date Oct 1, 1991
    • Tonka Corporation
    • Elliot A. Rudell
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Miniature flywheel car for side-wheelie stunts
    • Patent number 4,631,041
    • Issue date Dec 23, 1986
    • Mattel, Inc.
    • Richard Chang
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Teaching and entertainment device
    • Patent number 4,492,582
    • Issue date Jan 8, 1985
    • Mattel, Inc.
    • Richard S. Chang
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display system having multiple viewing stations
    • Patent number 4,421,313
    • Issue date Dec 20, 1983
    • Mattel, Inc.
    • Richard S. Chang
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Electronic soccer game
    • Patent number 4,372,556
    • Issue date Feb 8, 1983
    • Mattel, Inc.
    • Michael D. Minkoff
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Electronic bowling game
    • Patent number 4,369,971
    • Issue date Jan 25, 1983
    • Mattel, Inc.
    • Richard S. Chang
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Obstacle game
    • Patent number 4,162,792
    • Issue date Jul 31, 1979
    • Mattel, Inc.
    • Richard S. Chang
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Toy simulating a calculator
    • Patent number 4,075,771
    • Issue date Feb 28, 1978
    • Mattel, Inc.
    • Edmund Emil Landsinger
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS