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Barry B. Hagglund
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Nepean, CA
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last 30 patents
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Patent Grant
ATM plane merging filter for ATM switches and the method thereof
Patent number
5,272,696
Issue date
Dec 21, 1993
Northern Telecom Limited
Ernst A. Munter
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Communications system
Patent number
5,029,333
Issue date
Jul 2, 1991
Northern Telecom Limited
Alan F. Graves
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Digital video signal compression
Patent number
5,021,880
Issue date
Jun 4, 1991
Northern Telecom Limited
Alan F. Graves
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Video signal distribution system
Patent number
4,994,909
Issue date
Feb 19, 1991
Northern Telecom Limited
Alan F. Graves
H04 - ELECTRIC COMMUNICATION TECHNIQUE