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WELL JET INTERNATIONAL CO., LTD.

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  • Apia, WS
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Patents Grantslast 30 patents

  • Information Patent Grant

    Baseball bat
    • Patent number 9,504,891
    • Issue date Nov 29, 2016
    • Well Jet International Co., Ltd.
    • Yung-Hsiung Chen
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Weld structure of metal club head
    • Patent number 7,654,913
    • Issue date Feb 2, 2010
    • Well Jet International Co., Ltd.
    • Yung Hsiung Chen
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head of heterogeneous metals
    • Patent number 7,651,413
    • Issue date Jan 26, 2010
    • Well Jet International Co., Ltd.
    • Yung Hsiung Chen
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Golf club head and method for making it
    • Publication number 20080242441
    • Publication date Oct 2, 2008
    • WELL JET INTERNATIONAL CO., LTD.
    • Yung-Hsiung Chen
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Bat made of composite material
    • Publication number 20070087872
    • Publication date Apr 19, 2007
    • WELL JET INTERNATIONAL CO., LTD.
    • Yung-Hsiung Chen
    • A63 - SPORTS GAMES AMUSEMENTS