TREA

Quartz-Zeit AG

Follow

Organization

  • Frankfurt am Main, DE
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Single phase stepper motor
    • Patent number 4,138,617
    • Issue date Feb 6, 1979
    • Quartz-Zeit AG
    • Roland Sudler
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER