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CHANG HSUEH-O HSU

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Patents Applicationslast 30 patents

  • Information Patent Application

    WRENCH
    • Publication number 20140060262
    • Publication date Mar 6, 2014
    • CHANG HSUEH-O HSU
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    WRENCH
    • Publication number 20130319187
    • Publication date Dec 5, 2013
    • CHANG HSUEH-O HSU
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS