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Ryan Callahan

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  • Madison, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bicycle frame with chain stay chamber
    • Patent number 10,071,784
    • Issue date Sep 11, 2018
    • B-Cycle LLC
    • Ryan Callahan
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    BICYCLE FRAME WITH CHAIN STAY CHAMBER
    • Publication number 20170166279
    • Publication date Jun 15, 2017
    • BCycle, LLC
    • Ryan Callahan
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS