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Filter Selector
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Patent number 6,181,451
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Issue date Jan 30, 2001
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Marconi Communications Limited
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Stephen P Ferguson
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G02 - OPTICS
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Dual connections
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Patent number 5,533,005
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Issue date Jul 2, 1996
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GPT Limited
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Stephen P. Ferguson
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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-
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PCM communication system
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Patent number 5,056,087
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Issue date Oct 8, 1991
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GEC Plessey Telecommunications Limited
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Stephen P. Ferguson
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Data path protection
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Patent number 4,972,405
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Issue date Nov 20, 1990
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GEC Plessey Telecommunications Limited
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Stephen P. Ferguson
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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TDM data transmission system
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Patent number 4,964,122
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Issue date Oct 16, 1990
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GEC Plessey Telecommunications Limited
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Stephen P. Ferguson
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H04 - ELECTRIC COMMUNICATION TECHNIQUE