TREA

Robert A. Berryhill

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  • Greensboro, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air washer and method
    • Patent number 5,247,809
    • Issue date Sep 28, 1993
    • Austin-Berryhill Fabricators, Inc.
    • Robert A. Berryhill
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Fireplace stove
    • Patent number 4,386,599
    • Issue date Jun 7, 1983
    • Austin-Berryhill Fabricators, Inc.
    • Robert A. Berryhill
    • F24 - HEATING RANGES VENTILATING