Carl E. Barker

Person

  • St. Louis County, MO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Impedance heating system

    • Patent number 6,031,972
    • Issue date Feb 29, 2000
    • Industrial Engineering and Equipment Company
    • Carl E. Barker
    • F24 - HEATING RANGES VENTILATING