TREA

Brian E. Witmyer

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  • Lititz, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Runner-trim connector
    • Patent number 5,572,844
    • Issue date Nov 12, 1996
    • Armstrong World Industries, Inc.
    • Richard D. Stackenwalt
    • E04 - BUILDING
  • Information Patent Grant

    Micro cornice universal attachment clip
    • Patent number 5,557,902
    • Issue date Sep 24, 1996
    • Armstrong World Industries, Inc.
    • Brian E. Witmyer
    • E04 - BUILDING
  • Information Patent Grant

    Connector
    • Patent number 5,551,792
    • Issue date Sep 3, 1996
    • Armstrong World Industries, Inc.
    • Brian E. Witmyer
    • E04 - BUILDING
  • Information Patent Grant

    Ceiling clip
    • Patent number 5,355,646
    • Issue date Oct 18, 1994
    • Armstrong World Industries, Inc.
    • Wesley T. K. Bischel
    • E04 - BUILDING
  • Information Patent Grant

    Safety mechanism for a kerfed ceiling panel
    • Patent number 5,253,463
    • Issue date Oct 19, 1993
    • Armstrong World Industries, Inc.
    • Brian E. Witmyer
    • E04 - BUILDING