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Chia-Wei Liao

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  • Wufeng Shiang, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speed control device for bicycle
    • Patent number 8,511,200
    • Issue date Aug 20, 2013
    • Tien Hsin Industries Co., Ltd.
    • Wen-Feng Tsai
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    Speed Control Device for Bicycle
    • Publication number 20110132123
    • Publication date Jun 9, 2011
    • Wen-Feng Tsai
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle Cogset
    • Publication number 20100099530
    • Publication date Apr 22, 2010
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS