TREA

Henry Tsao

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Front gear changer
    • Patent number 9,890,838
    • Issue date Feb 13, 2018
    • SRAM, LLC
    • Christopher Shipman
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    FRONT GEAR CHANGER
    • Publication number 20140114538
    • Publication date Apr 24, 2014
    • SRAM, LLC
    • Christopher Shipman
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS