Berwin Development Ltd.

Organization

  • Kelowna, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Fireplace with air control dampers

    • Patent number 4,224,921
    • Issue date Sep 30, 1980
    • Berwin Development Ltd.
    • Bernard Petrescue
    • F24 - HEATING RANGES VENTILATING