Douglas Marshall

Person

  • Oakland, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Flotation device

    • Patent number 7,559,816
    • Issue date Jul 14, 2009
    • Douglas Marshall
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    Flotation device

    • Publication number 20080242170
    • Publication date Oct 2, 2008
    • Dam Sport, LLC
    • Douglas Marshall
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT