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Security bridging
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Patent number 8,959,610
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Issue date Feb 17, 2015
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Constellation Technologies LLC
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Hassler Hayes
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Security bridging
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Patent number 8,370,917
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Issue date Feb 5, 2013
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Rockstar Consortium US LP
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Hassler Hayes
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Metropolitan photonic switch
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Patent number 7,050,667
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Issue date May 23, 2006
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Nortel Networks Limited
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Alan F. Graves
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Metropolitan photonic switch
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Patent number 6,690,848
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Issue date Feb 10, 2004
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Nortel Networks Limited
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Alan F. Graves
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Electronic circuitry
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Patent number 6,008,987
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Issue date Dec 28, 1999
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Nortel Networks Corporation
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Geoffrey N. Gale
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR