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Addressing liquid crystal cells
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Patent number 4,917,469
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Issue date Apr 17, 1990
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STC PLC
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Peter W. Ross
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Addressing liquid crystal cells
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Patent number 4,909,607
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Issue date Mar 20, 1990
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STC PLC
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Peter W. Ross
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Dynamic hologram recording
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Patent number 4,653,857
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Issue date Mar 31, 1987
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Standard Telephones and Cables, Plc
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William A. Crossland
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G02 - OPTICS
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Coherent light image generation
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Patent number 4,574,282
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Issue date Mar 4, 1986
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International Standard Electric Corporation
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William A. Crossland
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G02 - OPTICS
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Scanning liquid crystal display cells
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Patent number 4,511,926
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Issue date Apr 16, 1985
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International Standard Electric Corporation
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William A. Crossland
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Liquid crystal display device
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Patent number 4,508,427
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Issue date Apr 2, 1985
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International Standard Electric Corporation
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Peter W. Ross
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G02 - OPTICS