TREA

David B. Golay

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  • Seattle, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Trolley braking system
    • Patent number 8,960,098
    • Issue date Feb 24, 2015
    • Daniel Blair Boren
    • B61 - RAILWAYS

Patents Applicationslast 30 patents

  • Information Patent Application

    Trolley Braking System
    • Publication number 20130239843
    • Publication date Sep 19, 2013
    • Adventure Holdings LLC
    • Daniel Blair Boren
    • B61 - RAILWAYS