TREA

Chin Fa Chang

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  • Hsintien City, TW
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Patents Applicationslast 30 patents

  • Information Patent Application

    Spark plug
    • Publication number 20050189858
    • Publication date Sep 1, 2005
    • Chin-Fa Chang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Spark plug without any iron tower electrode
    • Publication number 20020145372
    • Publication date Oct 10, 2002
    • Chin Fa Chang
    • H01 - BASIC ELECTRIC ELEMENTS