TREA

David W. Kratzer

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  • La Salle, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Brake drum manufacture
    • Patent number 5,345,672
    • Issue date Sep 13, 1994
    • Motor Wheel Corporation
    • Richard C. Ball
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Process for manufacturing a vehicle brake drum
    • Patent number 5,138,757
    • Issue date Aug 18, 1992
    • Motor Wheel Corporation
    • Richard C. Ball
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR