G04D 7/10

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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
9811054 System for securing a balance springNov 25, 15Nov 07, 17ROLEX SA
9235192 Method of adjusting the oscillation frequency of a timepiece sub-assemblyNov 17, 11Jan 12, 16Nivarox-FAR S.A.
9188957 Circuit for autoregulating the oscillation frequency of an oscillating mechanical system and device including the sameOct 23, 12Nov 17, 15THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTD