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John Matthews

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  • Hamilton, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Amphibious vehicle
    • Patent number 6,890,225
    • Issue date May 10, 2005
    • John Matthews
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Amphibious vehicle
    • Publication number 20030236037
    • Publication date Dec 25, 2003
    • John Matthews
    • B60 - VEHICLES IN GENERAL