TREA

John C. K. Overall

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  • Scarborough, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealed combustion range
    • Patent number 5,568,804
    • Issue date Oct 29, 1996
    • Canadian Gas Research Institute
    • Anthony L. P. Joseph
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Sealed combustion range
    • Patent number 5,406,932
    • Issue date Apr 18, 1995
    • Canadian Gas Research Institute
    • Anthony L. P. Joseph
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Gas-fired heater
    • Patent number 5,253,635
    • Issue date Oct 19, 1993
    • Canadian Gas Research Institute
    • John C. K. Overall
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Two-stage heat exchanger
    • Patent number 4,275,705
    • Issue date Jun 30, 1981
    • Canadian Gas Research Institute
    • Orland O. Schaus
    • F24 - HEATING RANGES VENTILATING