TREA

Richard A. Root

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  • Spokane, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Direct fired heat exchanger
    • Patent number 4,570,456
    • Issue date Feb 18, 1986
    • The United States of America as represented by the United States Department o...
    • Robert C. Reimann
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Direct fired absorption machine flue gas recuperator
    • Patent number 4,548,048
    • Issue date Oct 22, 1985
    • The United States of America as represented by the United States Department o...
    • Robert C. Reimann
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...