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  • G04C11/002
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GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C11/00Synchronisation of independently-driven clocks

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G04C11/002by changing the driving speed
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit for autoregulating the oscillation frequency of an oscillat...
    • Patent number 9,188,957
    • Issue date Nov 17, 2015
    • The Swatch Group Research and Development Ltd.
    • Michel Willemin
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3726080
    • Patent number 3,726,080
    • Issue date Apr 10, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3110853
    • Patent number 3,110,853
    • Issue date Nov 12, 1963
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3059411
    • Patent number 3,059,411
    • Issue date Oct 23, 1962
    • G04 - HOROLOGY
  • Information Patent Grant

    2662367
    • Patent number 2,662,367
    • Issue date Dec 15, 1953
    • G04 - HOROLOGY
  • Information Patent Grant

    2566940
    • Patent number 2,566,940
    • Issue date Sep 4, 1951
    • G04 - HOROLOGY
  • Information Patent Grant

    2490340
    • Patent number 2,490,340
    • Issue date Dec 6, 1949
    • G04 - HOROLOGY
  • Information Patent Grant

    2447798
    • Patent number 2,447,798
    • Issue date Aug 24, 1948
    • G04 - HOROLOGY
  • Information Patent Grant

    2403552
    • Patent number 2,403,552
    • Issue date Jul 9, 1946
    • G04 - HOROLOGY
  • Information Patent Grant

    2393789
    • Patent number 2,393,789
    • Issue date Jan 29, 1946
    • G04 - HOROLOGY
  • Information Patent Grant

    2377617
    • Patent number 2,377,617
    • Issue date Jun 5, 1945
    • G04 - HOROLOGY
  • Information Patent Grant

    2198632
    • Patent number 2,198,632
    • Issue date Apr 30, 1940
    • G04 - HOROLOGY
  • Information Patent Grant

    1656962
    • Patent number 1,656,962
    • Issue date Jan 24, 1928
    • G04 - HOROLOGY
  • Information Patent Grant

    1622588
    • Patent number 1,622,588
    • Issue date Mar 29, 1927
    • G04 - HOROLOGY
  • Information Patent Grant

    1565333
    • Patent number 1,565,333
    • Issue date Dec 15, 1925
    • G04 - HOROLOGY

Patents Applicationslast 30 patents