Archie S. Lien

Person

  • Poulsbo, WA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Inplace ball valve repair apparatus

    • Patent number 4,468,158
    • Issue date Aug 28, 1984
    • The United States of America as represented by the Secretary of the Navy
    • David R. Pearce
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR