TREA

Pinchieh Feng

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  • Chang Hua Sheng, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible pogo stick
    • Patent number 6,827,673
    • Issue date Dec 7, 2004
    • Razor USA LLC
    • Robert Chen
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Self-chargeable pneumatic cylinder
    • Patent number 6,619,634
    • Issue date Sep 16, 2003
    • Razor USA, LLC
    • Robert Chen
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Collapsible pogo stick
    • Publication number 20020160888
    • Publication date Oct 31, 2002
    • Robert Chen
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Self-chargeable pneumatic cylinder
    • Publication number 20020158379
    • Publication date Oct 31, 2002
    • Robert Chen
    • B60 - VEHICLES IN GENERAL