TREA

Ho-Yi CHEN

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  • Wuci Township, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ratchet tool
    • Patent number 8,109,182
    • Issue date Feb 7, 2012
    • Ho-Yi Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    RATCHET TOOL
    • Publication number 20110023664
    • Publication date Feb 3, 2011
    • Ho-Yi CHEN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    TOOL CONNECTING ROD WITH CONVERTIBLE CONNECTORS
    • Publication number 20100024608
    • Publication date Feb 4, 2010
    • Ho-Yi CHEN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS