Sergio SILVA

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Geneva, CH

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Patents Grantslast 30 patents

Information Patent Grant
Fixation of a spiral spring in a watch movement
- Patent number 8,147,127
- Issue date Apr 3, 2012
- Manufacture Roger Dubuis SA
- Sergio Silva
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
FIXATION OF A SPIRAL SPRING IN A WATCH MOVEMENT
- Publication number 20100157743
- Publication date Jun 24, 2010
- MANUFACTURE ROGER DUBUIS S.A.
- Sergio SILVA
- G04 - HOROLOGY