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Dean J. Gaertner

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  • New Kensington, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bushing assembly for making glass fibers
    • Patent number 5,147,431
    • Issue date Sep 15, 1992
    • PPG Industries, Inc.
    • Dean J. Gaertner
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Composite bushing design
    • Patent number 4,957,525
    • Issue date Sep 18, 1990
    • PPG Industries, Inc.
    • Dean J. Gaertner
    • C03 - GLASS MINERAL OR SLAG WOOL