Jean-Paul Champagne

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Brossard, CA

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Patents Grantslast 30 patents

Information Patent Grant
Sync control for video overlay
- Patent number 5,146,336
- Issue date Sep 8, 1992
- Le Groupe Videotron LTEE
- Alain Tessier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
CATV subscriber terminal transmission control
- Patent number 4,920,533
- Issue date Apr 24, 1990
- Videotron LTEE
- Michel Dufresne
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cable network data transmission system
- Patent number 4,623,920
- Issue date Nov 18, 1986
- Le Groupe Videotron LTEE
- Michel Dufresne
- H04 - ELECTRIC COMMUNICATION TECHNIQUE