TREA

Charles E. Barker

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  • Holland, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wall thermostat and the like
    • Patent number 4,460,125
    • Issue date Jul 17, 1984
    • Robertshaw Controls Company
    • Charles E. Barker
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Wall thermostat and the like
    • Patent number 4,373,664
    • Issue date Feb 15, 1983
    • Robertshaw Controls Company
    • Charles E. Barker
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Wall thermostat and the like
    • Patent number 4,319,711
    • Issue date Mar 16, 1982
    • Robertshaw Controls Company
    • Charles E. Barker
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Self-calibrating electric clock circuit
    • Patent number 4,228,346
    • Issue date Oct 14, 1980
    • Robertshaw Controls Company
    • Charles E. Barker
    • G04 - HOROLOGY
  • Information Patent Grant

    Pulsing probe for microwave oven
    • Patent number 4,220,840
    • Issue date Sep 2, 1980
    • Robertshaw Controls Company
    • Charles E. Barker
    • G05 - CONTROLLING REGULATING