Philippe Letellier

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Versailles, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for visual telecommunications, in particular f...
- Patent number 4,546,383
- Issue date Oct 8, 1985
- INRIA Institute National de Recherche en Informatique et en Automatique
- Jean-Francois Abramatic
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS