TREA

David E. Rosenberg

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  • Pittsburgh, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making brake shoe stock (II)
    • Patent number 4,969,251
    • Issue date Nov 13, 1990
    • Pittsburgh Coil Technology
    • Gilbert B. Burkhart
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of making brake shoe stock
    • Patent number 4,821,400
    • Issue date Apr 18, 1989
    • Pittsburgh Coil Technology
    • Gilbert B. Burkhart
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR