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Semiconductor devices
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Patent number 4,916,517
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Issue date Apr 10, 1990
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STC, plc
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Peter D. Scovell
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H01 - BASIC ELECTRIC ELEMENTS
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Liquid crystal driving systems
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Patent number 4,893,117
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Issue date Jan 9, 1990
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STC PLC
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Peter F. Blomley
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Semiconductor devices
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Patent number 4,849,364
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Issue date Jul 18, 1989
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STC PLC
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Peter D. Scovell
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H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor devices
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Patent number 4,845,532
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Issue date Jul 4, 1989
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STC PLC
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Peter D. Scovell
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H01 - BASIC ELECTRIC ELEMENTS
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Telephone power supply
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Patent number 4,748,664
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Issue date May 31, 1988
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STC PLC
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Peter F. Blomley
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Telephone instrument circuit
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Patent number 4,608,462
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Issue date Aug 26, 1986
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International Standard Electric Corporation
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Peter F. Blomley
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Loudspeaking telephones
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Patent number 4,555,596
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Issue date Nov 26, 1985
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International Standard Electric Corporation
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Peter F. Blomley
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Waveform clipping circuits
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Patent number 4,506,113
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Issue date Mar 19, 1985
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International Standard Electric Corporation
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Peter F. Blomley
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Electronic telephone circuit
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Patent number 4,347,407
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Issue date Aug 31, 1982
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International Standard Electric Corporation
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Peter F. Blomley
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Bridge amplifier
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Patent number 4,286,123
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Issue date Aug 25, 1981
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International Standard Electric Corporation
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Peter F. Blomley
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H04 - ELECTRIC COMMUNICATION TECHNIQUE