TREA

by radio

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Industry

  • CPC
  • G04C13/026
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C13/00Driving mechanisms for clocks by master-clocks

Current Industry

G04C13/026by radio
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Autonomous radio timepiece
    • Patent number 5,235,563
    • Issue date Aug 10, 1993
    • Junghans Uhren GmbH
    • Wolfgang Ganter
    • G04 - HOROLOGY
  • Information Patent Grant

    3748846
    • Patent number 3,748,846
    • Issue date Jul 31, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3564838
    • Patent number 3,564,838
    • Issue date Feb 23, 1971
    • G04 - HOROLOGY
  • Information Patent Grant

    2118109
    • Patent number 2,118,109
    • Issue date May 24, 1938
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2056745
    • Patent number 2,056,745
    • Issue date Oct 6, 1936
    • G04 - HOROLOGY