TREA

Bert W. Piper

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  • Romulus, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vehicle parking signal device
    • Patent number 4,311,983
    • Issue date Jan 19, 1982
    • Bert W. Piper
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Portable key seat cutter for shafts
    • Patent number 4,289,434
    • Issue date Sep 15, 1981
    • Piper; Bert William
    • Bert W. Piper
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Portable key seat cutter
    • Patent number 4,284,377
    • Issue date Aug 18, 1981
    • Piper; Bert William
    • Bert W. Piper
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR