Robert L. Coleman

Person

  • Berkley, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Threading tool and method

    • Patent number 4,409,868
    • Issue date Oct 18, 1983
    • The Valeron Corporation
    • David R. Huddle
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR