Christophe Dufresne

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Guyans-Vennes, FR

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Patents Grantslast 30 patents

Information Patent Grant
Device for detecting movements of an object surface having a prism...
- Patent number 7,034,278
- Issue date Apr 25, 2006
- EM Microelectric-Marin SA
- Pierre Tschirren
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
GLARE PROTECTION DEVICE
- Publication number 20070195227
- Publication date Aug 23, 2007
- OPTREL AG
- Christophe Dufresne
- G02 - OPTICS