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William S. Certain

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  • Westminster, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Covering for an architectural opening
    • Patent number 9,260,914
    • Issue date Feb 16, 2016
    • Hunter Douglas Inc.
    • William S. Certain
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    COVERING FOR AN ARCHITECTURAL OPENING
    • Publication number 20150376941
    • Publication date Dec 31, 2015
    • Hunter Douglas Inc.
    • Suzanne M. Fujita
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    COVERING FOR AN ARCHITECTURAL OPENING
    • Publication number 20140262066
    • Publication date Sep 18, 2014
    • William S. Certain
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS