James M. Herd

Person

  • Hagerstown, MD, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker mounting system

    • Patent number 6,721,434
    • Issue date Apr 13, 2004
    • Britannia Investment Corporation
    • Matthew S. Polk
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Loudspeaker mounting system

    • Publication number 20030123690
    • Publication date Jul 3, 2003
    • Matthew S. Polk,
    • G06 - COMPUTING CALCULATING COUNTING