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Hao Chang

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  • Bethel, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery and method of making the same
    • Patent number 6,593,023
    • Issue date Jul 15, 2003
    • The Gillette Company
    • Hao Chang
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

  • Information Patent Application

    Zinc/air cell
    • Publication number 20070054168
    • Publication date Mar 8, 2007
    • Hao Chang
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Battery
    • Publication number 20020160251
    • Publication date Oct 31, 2002
    • Hao Chang
    • H01 - BASIC ELECTRIC ELEMENTS