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Tourbillion
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Patent number 6,846,104
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Issue date Jan 25, 2005
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Lange Uhren GmbH
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Helmut Geyer
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G04 - HOROLOGY
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Stem mechanism for a watch
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Patent number 4,126,992
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Issue date Nov 28, 1978
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Kabushiki Kaisha Daini Seikosha
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Kazumasa Yasuda
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G04 - HOROLOGY
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Timepiece
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Patent number 4,104,866
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Issue date Aug 8, 1978
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Ebauches Electroniques S.A.
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Jean-Maurice Chappatte
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G04 - HOROLOGY
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3855785
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Patent number 3,855,785
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Issue date Dec 24, 1974
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G04 - HOROLOGY
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3849977
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Patent number 3,849,977
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Issue date Nov 26, 1974
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G04 - HOROLOGY
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3837162
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Patent number 3,837,162
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Issue date Sep 24, 1974
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G04 - HOROLOGY
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3817024
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Patent number 3,817,024
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Issue date Jun 18, 1974
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G04 - HOROLOGY
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3797226
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Patent number 3,797,226
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Issue date Mar 19, 1974
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G04 - HOROLOGY
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3796038
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Patent number 3,796,038
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Issue date Mar 12, 1974
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G04 - HOROLOGY
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3765164
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Patent number 3,765,164
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Issue date Oct 16, 1973
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G04 - HOROLOGY
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3762153
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Patent number 3,762,153
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Issue date Oct 2, 1973
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G04 - HOROLOGY
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3731481
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Patent number 3,731,481
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Issue date May 8, 1973
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G04 - HOROLOGY
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3665698
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Patent number 3,665,698
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Issue date May 30, 1972
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G04 - HOROLOGY
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3599420
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Patent number 3,599,420
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Issue date Aug 17, 1971
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G04 - HOROLOGY