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Tablet monitoring system
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Patent number 6,667,473
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Issue date Dec 23, 2003
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Innovation Associates, Inc.
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James Worthington
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G06 - COMPUTING CALCULATING COUNTING
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Process colorimeter
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Patent number 4,449,821
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Issue date May 22, 1984
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E. I. Du Pont de Nemours and Company
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Jerald D. Lee
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G01 - MEASURING TESTING
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3897153
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Patent number 3,897,153
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Issue date Jul 29, 1975
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G01 - MEASURING TESTING
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3806258
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Patent number 3,806,258
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Issue date Apr 23, 1974
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G01 - MEASURING TESTING
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3653772
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Patent number 3,653,772
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Issue date Apr 4, 1972
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G01 - MEASURING TESTING
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3639768
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Patent number 3,639,768
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Issue date Feb 1, 1972
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G08 - SIGNALLING
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3629589
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Patent number 3,629,589
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Issue date Dec 21, 1971
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G01 - MEASURING TESTING
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3565529
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Patent number 3,565,529
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Issue date Feb 23, 1971
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G01 - MEASURING TESTING
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3542479
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Patent number 3,542,479
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Issue date Nov 24, 1970
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G01 - MEASURING TESTING
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3437822
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Patent number 3,437,822
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Issue date Apr 8, 1969
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G01 - MEASURING TESTING
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2594514
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Patent number 2,594,514
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Issue date Apr 29, 1952
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G01 - MEASURING TESTING
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2561243
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Patent number 2,561,243
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Issue date Jul 17, 1951
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G01 - MEASURING TESTING
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2477208
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Patent number 2,477,208
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Issue date Jul 26, 1949
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G01 - MEASURING TESTING