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Phillip R. Grisham

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  • Dallas, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Off-peak air intake vent
    • Patent number 8,292,707
    • Issue date Oct 23, 2012
    • Air Vent, Inc.
    • Phillip R. Grisham
    • E04 - BUILDING
  • Information Patent Grant

    Off-peak intake vent
    • Patent number D574947
    • Issue date Aug 12, 2008
    • Air Vent, Inc.
    • Phillip R. Grisham
    • D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

  • Information Patent Application

    OFF-PEAK AIR INTAKE VENT
    • Publication number 20130023197
    • Publication date Jan 24, 2013
    • AIR VENT, INC.
    • Phillip R. Grisham
    • E04 - BUILDING
  • Information Patent Application

    MOLDING PROCESS FOR RIDGE VENTS AND OTHER INDEX MOLDED PRODUCTS
    • Publication number 20090233541
    • Publication date Sep 17, 2009
    • AIR VENT, INC.
    • Robert Bradley Holland
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    OFF-PEAK AIR INTAKE VENT
    • Publication number 20090130969
    • Publication date May 21, 2009
    • AIR VENT, INC.
    • Phillip R. Grisham
    • F24 - HEATING RANGES VENTILATING