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Chang George

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  • Tainan, TW
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    HINGED WIPER BLADE
    • Publication number 20130227810
    • Publication date Sep 5, 2013
    • Pylon Manufacturing Corp.
    • Vambi Raymundo Tolentino
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Connector for Connecting a Tank Truck to an Underground Oil Depot
    • Publication number 20120090701
    • Publication date Apr 19, 2012
    • George CHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CONNECTOR FOR AN OIL DRAIN VALVE
    • Publication number 20120074686
    • Publication date Mar 29, 2012
    • George CHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    AUTOMATIC EXTRUSION DEVICE
    • Publication number 20110192207
    • Publication date Aug 11, 2011
    • Roger Huang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Speaker device for improving mid/high-range frequencies
    • Publication number 20060153412
    • Publication date Jul 13, 2006
    • George Chang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Hi-fi tweeter
    • Publication number 20040005074
    • Publication date Jan 8, 2004
    • Sun Technique Electric Co., Ltd.
    • Chang George
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE