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Frederick J. Robertson

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  • Vancouver, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cornerbead structure
    • Patent number 8,910,437
    • Issue date Dec 16, 2014
    • Frederick J. Robertson
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Drywall trim piece
    • Patent number 6,438,914
    • Issue date Aug 27, 2002
    • Frederick J. Robertson
    • E04 - BUILDING
  • Information Patent Grant

    Drywall trim piece
    • Patent number 6,363,673
    • Issue date Apr 2, 2002
    • Frederick J. Robertson
    • E04 - BUILDING
  • Information Patent Grant

    Finish material for window openings
    • Patent number 6,155,011
    • Issue date Dec 5, 2000
    • Frederick J. Robertson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    CORNERBEAD STRUCTURE
    • Publication number 20120324812
    • Publication date Dec 27, 2012
    • Frederick J. Robertson
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    CORNERBEAD STRUCTURE
    • Publication number 20110030297
    • Publication date Feb 10, 2011
    • Frederick J. Robertson
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    FIBERGLASS MESH FACED CORNERBEAD
    • Publication number 20060283115
    • Publication date Dec 21, 2006
    • Frederick J. Robertson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL