Bertrand GONTHIER

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Vetroz, CH

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Patents Grantslast 30 patents

Information Patent Grant
Balance spring boot
- Patent number 8,696,195
- Issue date Apr 15, 2014
- Eta Sa Manufacture Horlogère Suisse
- Bertrand Gonthier
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
BALANCE SPRING BOOT
- Publication number 20120176869
- Publication date Jul 12, 2012
- ETA SA Manufacture Horlogere Suisse
- Bertrand GONTHIER
- G04 - HOROLOGY