Jacques Cognard

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Areuse, CH

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Patents Grantslast 30 patents

Information Patent Grant
Masking agent for the deposition of a material and method for such...
- Patent number 4,307,181
- Issue date Dec 22, 1981
- Ebauches S.A.
- Claude Ganguillet
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electro-optic display device
- Patent number 4,198,124
- Issue date Apr 15, 1980
- Ebauches, S.A.
- Jacques Cognard
- G02 - OPTICS