Edwin Jakob

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Grenchen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Regulator key for watch movements
- Patent number 4,083,179
- Issue date Apr 11, 1978
- ETA A.G. Ebauches-Fabrik
- Urs Giger
- G04 - HOROLOGY
Information Patent Grant
Calendar ring driving wheel for timepieces
- Patent number 4,060,976
- Issue date Dec 6, 1977
- ETA A.G. Ebauches-Fabrik
- Edwin Jakob
- G04 - HOROLOGY