William N. Hill

Person

  • Lakewood, CO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Duplex stainless steel welding method

    • Patent number 5,440,090
    • Issue date Aug 8, 1995
    • Atlantic Richfield Company
    • Randall L. Davis
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR