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Electromechanical timepiece
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Patent number 10,996,629
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Issue date May 4, 2021
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The Swatch Group Research and Development Ltd.
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Massimiliano Bracco
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electronic watch
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Patent number 3,943,697
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Issue date Mar 16, 1976
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Kabushiki Kaisha Suwa Seikosha
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Kinji Fujita
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G04 - HOROLOGY
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3780520
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Patent number 3,780,520
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Issue date Dec 25, 1973
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G04 - HOROLOGY
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3766454
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Patent number 3,766,454
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Issue date Oct 16, 1973
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G04 - HOROLOGY
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3744233
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Patent number 3,744,233
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Issue date Jul 10, 1973
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G04 - HOROLOGY
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3727151
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Patent number 3,727,151
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Issue date Apr 10, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3663894
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Patent number 3,663,894
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Issue date May 16, 1972
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G04 - HOROLOGY
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3622850
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Patent number 3,622,850
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Issue date Nov 23, 1971
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G04 - HOROLOGY
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3616638
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Patent number 3,616,638
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Issue date Nov 2, 1971
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G04 - HOROLOGY
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3609592
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Patent number 3,609,592
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Issue date Sep 28, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3593200
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Patent number 3,593,200
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Issue date Jul 13, 1971
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G04 - HOROLOGY
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3504301
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Patent number 3,504,301
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Issue date Mar 31, 1970
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H03 - BASIC ELECTRONIC CIRCUITRY
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3499278
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Patent number 3,499,278
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Issue date Mar 10, 1970
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G04 - HOROLOGY
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3457524
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Patent number 3,457,524
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Issue date Jul 22, 1969
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G04 - HOROLOGY
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3403312
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Patent number 3,403,312
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Issue date Sep 24, 1968
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H03 - BASIC ELECTRONIC CIRCUITRY
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3363197
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Patent number 3,363,197
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Issue date Jan 9, 1968
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H03 - BASIC ELECTRONIC CIRCUITRY
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3351833
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Patent number 3,351,833
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Issue date Nov 7, 1967
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G04 - HOROLOGY
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3229178
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Patent number 3,229,178
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Issue date Jan 11, 1966
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G04 - HOROLOGY
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2960817
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Patent number 2,960,817
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Issue date Nov 22, 1960
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G04 - HOROLOGY