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Hsueh-O Hsu Chang

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 8,806,988
    • Issue date Aug 19, 2014
    • Hsueh-O Hsu Chang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

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    • Publication number 20140069238
    • Publication date Mar 13, 2014
    • Hsueh-O Hsu Chang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS