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Michael Mathe

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  • Napa, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Audio pouch for helmet
    • Patent number 9,486,030
    • Issue date Nov 8, 2016
    • The Ketchum Group, Inc.
    • Charles Krissman
    • A42 - HEADWEAR

Patents Applicationslast 30 patents

  • Information Patent Application

    AUDIO POUCH FOR HELMET
    • Publication number 20160143385
    • Publication date May 26, 2016
    • THE KETCHUM GROUP, INC., DBA, OUTDOOR TECHNOLOGY
    • Charles Krissman
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE