TREA

David Volk

Follow

Person

  • Bismarck, ND, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    V-lift
    • Patent number 7,753,323
    • Issue date Jul 13, 2010
    • David Volk
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    V-lift
    • Publication number 20080200313
    • Publication date Aug 21, 2008
    • David Volk
    • A63 - SPORTS GAMES AMUSEMENTS