Norbert Reiferscheid

Person

  • Camberg-Wurges, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Electric clock

    • Patent number 4,250,576
    • Issue date Feb 10, 1981
    • Quarz-Zeit AG
    • Roland Sudler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...