David R. Lyman

Person

  • Tucson, AZ, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Reduced wear cable carrier and pads

    • Patent number 5,343,989
    • Issue date Sep 6, 1994
    • International Business Machines Corporation
    • Paul Y. Hu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER