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Liquid crystal display
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Patent number 5,831,710
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Issue date Nov 3, 1998
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International Business Machines Corporation
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Evan G. Colgan
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G02 - OPTICS
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Method for maskless chemical machining
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Patent number 4,379,022
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Issue date Apr 5, 1983
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International Business Machines Corporation
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Robert L. Melcher
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Magnetoelastic storage device
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Patent number 4,074,240
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Issue date Feb 14, 1978
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International Business Machines Corporation
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Robert L. Melcher
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G11 - INFORMATION STORAGE
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Optical scanner
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Patent number 4,041,536
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Issue date Aug 9, 1977
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International Business Machines Corporation
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Robert Lee Melcher
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H04 - ELECTRIC COMMUNICATION TECHNIQUE