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Liquid crystal display
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Patent number 4,634,229
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Issue date Jan 6, 1987
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BBC Brown, Boveri & Company Limited
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Hermann Amstutz
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G02 - OPTICS
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Liquid crystal mixture
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Patent number 4,299,720
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Issue date Nov 10, 1981
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BBC Brown, Boveri & Co., Ltd.
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Maged A. Osman
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Liquid crystal display
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Patent number 4,252,417
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Issue date Feb 24, 1981
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BBC Brown, Boveri & Company, Limited
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Terry J. Scheffer
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G02 - OPTICS
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Liquid crystal display
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Patent number 4,217,035
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Issue date Aug 12, 1980
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BBC Brown, Boveri & Company, Limited
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Rino Doriguzzi
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G02 - OPTICS
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Electrooptic display device
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Patent number 4,126,383
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Issue date Nov 21, 1978
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BBC Brown, Boveri & Company Limited
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Rino Doriguzzi
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Arrangement for a polychrome display
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Patent number 4,019,808
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Issue date Apr 26, 1977
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Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung e.V.
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Terry James Scheffer
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G02 - OPTICS
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Liquid crystal display
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Patent number 3,972,587
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Issue date Aug 3, 1976
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BBC Brown Boveri & Company Limited
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Terry J. Scheffer
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G02 - OPTICS