Prefco Productions, Inc.

Organization

  • Buckingham, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Fire damper and method of fabrication

    • Patent number 4,146,048
    • Issue date Mar 27, 1979
    • Prefco Productions, Inc.
    • Francis J. McCabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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