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Digital watch
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Patent number 4,320,478
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Issue date Mar 16, 1982
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Motorola, Inc.
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Richard G. Daniels
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G04 - HOROLOGY
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Data introducing arrangement
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Patent number 4,255,805
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Issue date Mar 10, 1981
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Societe Suisse pour l'Industrie Horlogere Management Services S.A.
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Jean-Pierre Jaunin
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G04 - HOROLOGY
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Electronic watch
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Patent number 4,188,776
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Issue date Feb 19, 1980
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Ebauches S.A.
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Igor Scherrer
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G04 - HOROLOGY
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Electronic timepiece
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Patent number 4,173,117
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Issue date Nov 6, 1979
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Citizen Watch Co., Ltd.
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Kazutoshi Takahashi
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G04 - HOROLOGY
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Electronic timepiece
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Patent number 4,170,105
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Issue date Oct 9, 1979
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Casio Computer Co., Ltd.
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Toshio Kashio
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G04 - HOROLOGY
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Digitally tuned timepiece
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Patent number 4,141,208
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Issue date Feb 27, 1979
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Hughes Aircraft Company
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John N. Whipple
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G04 - HOROLOGY
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Electronic timepiece
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Patent number 4,107,915
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Issue date Aug 22, 1978
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Citizen Watch Co., Ltd
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Fukuo Sekiya
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G04 - HOROLOGY
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Wristwatch setting system
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Patent number 4,106,277
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Issue date Aug 15, 1978
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Time Computer, Inc.
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Donald W. Garrison
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G04 - HOROLOGY
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Electronic timepiece
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Patent number 4,090,350
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Issue date May 23, 1978
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Citizen Watch Co., Limited
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Yasushi Nomura
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G04 - HOROLOGY
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Electronic timepiece
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Patent number 4,089,159
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Issue date May 16, 1978
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Citizen Watch Company Limited
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Makoto Yoshida
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G04 - HOROLOGY