G04D 7/12

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9971309 Mechanical timepiece movement provided with a feedback system for the movementJun 29, 16May 15, 18ETA SA Manufacture Horlogere Suisse
9804568 Mechanism for regulating the rate of a timepiece oscillatorJul 12, 16Oct 31, 17THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTD
9772607 Method and system for authenticating a deviceAug 22, 14Sep 26, 17SICPA HOLDING SA
9690260 Method for adjusting the oscillation frequency of a sprung balance assemblySep 05, 12Jun 27, 17Nivarox-FAR S.A.
9465367 Method and system for authenticating using external excitationJul 12, 13Oct 11, 16SICPA HOLDING SA
9383725 Device for measuring the accuracy of a mechanical watchNov 18, 15Jul 05, 16THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTD
9285777 Method and system for authenticating a timepieceJul 12, 13Mar 15, 16SICPA HOLDING SA
4292836 Apparatus for measuring the rate of an analog-display electronic timepieceNov 26, 79Oct 06, 81ETS S.A., A SWISS CORP.
4201077 Method for measuring the rate or the frequency error of a quartz timepiece and measuring apparatus for carrying out this methodOct 10, 78May 06, 80Electronic Time Company ETIC S.A.