David L. Checkley

Person

  • Blissfield, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum furnace with cooling means

    • Patent number 4,171,126
    • Issue date Oct 16, 1979
    • Midland-Ross Corporation
    • Frederick E. Zahn
    • C21 - METALLURGY OF IRON