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Electrooptical comparators
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Patent number 4,561,728
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Issue date Dec 31, 1985
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Battelle Memorial Institute
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Richard P. Kenan
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G02 - OPTICS
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Electrooptical multipliers
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Patent number 4,403,833
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Issue date Sep 13, 1983
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Battelle Memorial Institute
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Richard P. Kenan
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G02 - OPTICS
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Pairwise comparison device
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Patent number 4,364,633
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Issue date Dec 21, 1982
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Battelle Memorial Institute
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Carl M. Verber
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G02 - OPTICS
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Directing optical beam
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Patent number 4,006,967
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Issue date Feb 8, 1977
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Battelle Memorial Institute
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Richard P. Kenan
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G02 - OPTICS