TREA

Donald S. Martenson

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  • Beavercreek, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Low emission stove
    • Patent number 4,611,572
    • Issue date Sep 16, 1986
    • Donald S. Martenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Free standing stove
    • Patent number 4,483,312
    • Issue date Nov 20, 1984
    • Donald S. Martenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Free standing stove
    • Patent number 4,426,992
    • Issue date Jan 24, 1984
    • Donald S. Martenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Free standing stove
    • Patent number 4,359,040
    • Issue date Nov 16, 1982
    • Donald S. Martenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Portable paper burning cookstove
    • Patent number 4,328,783
    • Issue date May 11, 1982
    • Donald S. Martenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Portable cookstove
    • Patent number D262595
    • Issue date Jan 12, 1982
    • Donald S. Martenson
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Fireplace furnace
    • Patent number 4,305,373
    • Issue date Dec 15, 1981
    • Donald S. Martenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Combination fireplace furnace and cookstove
    • Patent number 4,263,889
    • Issue date Apr 28, 1981
    • Donald S. Martenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Fireplace furnace with heat exchange tubes
    • Patent number 4,166,444
    • Issue date Sep 4, 1979
    • Donald S. Martenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Fireplace heater
    • Patent number 4,015,581
    • Issue date Apr 5, 1977
    • Donald S. Martenson
    • F24 - HEATING RANGES VENTILATING