TREA

Gunther Trischler

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  • Plochingen, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Time recorder
    • Patent number 3,978,493
    • Issue date Aug 31, 1976
    • Simplex Time Recorder Company
    • Gunther Trischler
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Time registration device for the recordation of presence or work time
    • Patent number 3,975,743
    • Issue date Aug 17, 1976
    • Simplex Time Recorder Company
    • Gunther Trischler
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Time recorder
    • Patent number 3,952,313
    • Issue date Apr 20, 1976
    • Simplex Time Recorder Co.
    • Erich Willmann
    • G07 - CHECKING-DEVICES