Newman; John C.

Organization

  • Longview, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Cleaning sluice boxes

    • Patent number 4,962,858
    • Issue date Oct 16, 1990
    • Newman; John C.
    • John C. Newman
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...