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Leslie J. Crane
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Nepean, CA
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last 30 patents
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Patent Grant
Method of and apparatus for modifying a video signal to inhibit rec...
Patent number
4,488,176
Issue date
Dec 11, 1984
Northern Telecom Limited
John A. Bond
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Optical transmitting and receiving apparatus
Patent number
4,481,677
Issue date
Nov 6, 1984
Northern Telecom Limited
Yuan-Lu Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Scrambling and unscrambling video signals in a pay TV system
Patent number
4,390,898
Issue date
Jun 28, 1983
Northern Telecom Limited
John A. Bond
H04 - ELECTRIC COMMUNICATION TECHNIQUE