Philippe Tison

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Argenteuil, FR

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Patents Grantslast 30 patents

Information Patent Grant
Color matrix display unit with double pixel area for red and blue p...
- Patent number 5,461,503
- Issue date Oct 24, 1995
- Societe d'Applications Generales d'Electricite et de Mecanique Sagem
- Christophe Deffontaines
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Active matrix liquid crystal display device with interdigitated cou...
- Patent number 5,448,385
- Issue date Sep 5, 1995
- Societe d'Applications Generales d'Electricite et de Mecanique Sagem
- Christophe Deffontaines
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS