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Natural escapement
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Patent number 9,927,773
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Issue date Mar 27, 2018
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The Swatch Group Research and Development Ltd.
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Gianni Di Domenico
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G04 - HOROLOGY
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3895487
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Patent number 3,895,487
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Issue date Jul 22, 1975
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G04 - HOROLOGY
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3813872
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Patent number 3,813,872
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Issue date Jun 4, 1974
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G04 - HOROLOGY
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3713047
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Patent number 3,713,047
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Issue date Jan 23, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3685279
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Patent number 3,685,279
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Issue date Aug 22, 1972
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G04 - HOROLOGY
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3670492
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Patent number 3,670,492
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Issue date Jun 20, 1972
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G04 - HOROLOGY
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3594621
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Patent number 3,594,621
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Issue date Jul 20, 1971
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G04 - HOROLOGY
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3528237
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Patent number 3,528,237
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Issue date Sep 15, 1970
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G04 - HOROLOGY
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3501655
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Patent number 3,501,655
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Issue date Mar 17, 1970
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G04 - HOROLOGY
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3496391
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Patent number 3,496,391
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Issue date Feb 17, 1970
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G04 - HOROLOGY
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3465511
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Patent number 3,465,511
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Issue date Sep 9, 1969
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G04 - HOROLOGY
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3461664
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Patent number 3,461,664
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Issue date Aug 19, 1969
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G04 - HOROLOGY
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3452536
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Patent number 3,452,536
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Issue date Jul 1, 1969
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G04 - HOROLOGY
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3448304
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Patent number 3,448,304
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Issue date Jun 3, 1969
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G04 - HOROLOGY
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3428879
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Patent number 3,428,879
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Issue date Feb 18, 1969
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G04 - HOROLOGY
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3360703
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Patent number 3,360,703
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Issue date Dec 26, 1967
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G04 - HOROLOGY
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3354329
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Patent number 3,354,329
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Issue date Nov 21, 1967
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G04 - HOROLOGY
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3335561
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Patent number 3,335,561
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Issue date Aug 15, 1967
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G04 - HOROLOGY
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3327190
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Patent number 3,327,190
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Issue date Jun 20, 1967
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G04 - HOROLOGY
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3312883
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Patent number 3,312,883
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Issue date Apr 4, 1967
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G04 - HOROLOGY
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3310690
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Patent number 3,310,690
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Issue date Mar 21, 1967
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G04 - HOROLOGY
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3307125
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Patent number 3,307,125
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Issue date Feb 28, 1967
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3218533
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Patent number 3,218,533
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Issue date Nov 16, 1965
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G04 - HOROLOGY