Marcel Thoenig

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Patents Grantslast 30 patents

Information Patent Grant
Device for controlling the functions of a watch and for displaying...
- Patent number 4,422,775
- Issue date Dec 27, 1983
- ETA S.A., Fabriques d'Ebauches
- Marcel Thoenig
- G04 - HOROLOGY
Information Patent Grant
Chronographic watch
- Patent number 4,364,669
- Issue date Dec 21, 1982
- Ebauches, S.A.
- Marcel Thoenig
- G04 - HOROLOGY