TREA

Ronald A. Holt

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  • Export, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water heating system
    • Patent number 4,444,022
    • Issue date Apr 24, 1984
    • Aluminum Company of America
    • Ronald A. Holt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Water heating system
    • Patent number 4,328,683
    • Issue date May 11, 1982
    • Aluminum Company of America
    • Robert B. Whitesides
    • F24 - HEATING RANGES VENTILATING