TREA

Robert L. Stevenson

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  • Rogue River, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat recovery unit for stoves
    • Patent number 4,664,180
    • Issue date May 12, 1987
    • Robert L. Stevenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Sawmill
    • Patent number 4,539,877
    • Issue date Sep 10, 1985
    • Robert L. Stevenson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Stove construction
    • Patent number 4,485,800
    • Issue date Dec 4, 1984
    • Robert L. Stevenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Industrial furnace
    • Patent number 4,450,776
    • Issue date May 29, 1984
    • Robert L. Stevenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Stove construction
    • Patent number 4,426,991
    • Issue date Jan 24, 1984
    • Robert L. Stevenson
    • F24 - HEATING RANGES VENTILATING