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Jean-Paul Champagne
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Brossard, CA
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last 30 patents
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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
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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
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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