David Barras

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Grenchen, CH

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Patents Grantslast 30 patents

Information Patent Grant
System for automatically setting a portable object with a clock fun...
- Patent number 6,934,521
- Issue date Aug 23, 2005
- Eta S.A. Fabriques d'Ebauches
- Emmanuel Fleury
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Communication system between a portable unit and a communication te...
- Patent number 6,747,916
- Issue date Jun 8, 2004
- Eta S.A. Fabriques d'Ebauches
- Emmanuel Fleury
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Watch including an additional electric apparatus
- Patent number 6,540,396
- Issue date Apr 1, 2003
- Eta SA Fabriques d'Ebauches
- David Barras
- G04 - HOROLOGY
Information Patent Grant
Wristwatch with capacitive coupling
- Patent number 6,350,055
- Issue date Feb 26, 2002
- Eta S.A. Fabriques d'Ebauches
- David Barras
- G04 - HOROLOGY