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Broadband communications
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Patent number 7,567,550
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Issue date Jul 28, 2009
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British Telecommunications plc
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Ian D Henning
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Transducer
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Patent number 5,949,564
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Issue date Sep 7, 1999
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British Telecommunications public limited company
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David Wake
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Optical communications system
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Patent number 5,838,473
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Issue date Nov 17, 1998
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British Telecommunications public limited company
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David Wake
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Optoelectronic device
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Patent number 5,446,751
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Issue date Aug 29, 1995
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British Telecommunications public limited company
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David Wake
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H01 - BASIC ELECTRIC ELEMENTS