TREA

Donald A. Mackey

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  • Pittsburgh, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Zero diameter locator post
    • Patent number 5,062,621
    • Issue date Nov 5, 1991
    • PPG Industries, Inc.
    • Donald A. Mackey
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for processing glass sheets
    • Patent number 5,040,342
    • Issue date Aug 20, 1991
    • PPG Industries, Inc.
    • Kenneth J. McGuire
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Apparatus for scoring a glass sheet
    • Patent number 5,038,654
    • Issue date Aug 13, 1991
    • PPG Industries, Inc.
    • Donald A. Mackey
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING