TREA

Stanislaw Kocol

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hour meter
    • Patent number D348019
    • Issue date Jun 21, 1994
    • ENM Company
    • Stanislaw Kocol
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Engine operating time hour meter
    • Patent number D332923
    • Issue date Feb 2, 1993
    • ENM Company
    • Nicholas G. Polydoris
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Engine operating time measuring apparatus
    • Patent number 5,121,368
    • Issue date Jun 9, 1992
    • ENM Company
    • Nicholas G. Polydoris
    • G06 - COMPUTING CALCULATING COUNTING