TREA

Gunter Trischler

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  • Plochingen (Neckar), DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flexitime recorder
    • Patent number 4,063,071
    • Issue date Dec 13, 1977
    • Simplex Time Recorder Co.
    • Erich Willmann
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Flexitime recorder
    • Patent number 3,974,362
    • Issue date Aug 10, 1976
    • Simplex Time Recorder Company
    • Erich Willmann
    • G07 - CHECKING-DEVICES