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Calibrated tuneable monitor
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Patent number 4,137,529
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Issue date Jan 30, 1979
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Dickey-john Corporation
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James H. Anson
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G06 - COMPUTING CALCULATING COUNTING
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3842661
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Patent number 3,842,661
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Issue date Oct 22, 1974
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G06 - COMPUTING CALCULATING COUNTING
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3826902
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Patent number 3,826,902
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Issue date Jul 30, 1974
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G06 - COMPUTING CALCULATING COUNTING
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3755658
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Patent number 3,755,658
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Issue date Aug 28, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3712125
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Patent number 3,712,125
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Issue date Jan 23, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3659456
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Patent number 3,659,456
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Issue date May 2, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3600183
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Patent number 3,600,183
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Issue date Aug 17, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3554019
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Patent number 3,554,019
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Issue date Jan 12, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3495079
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Patent number 3,495,079
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Issue date Feb 10, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3474237
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Patent number 3,474,237
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Issue date Oct 21, 1969
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G06 - COMPUTING CALCULATING COUNTING
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3335267
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Patent number 3,335,267
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G06 - COMPUTING CALCULATING COUNTING
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3128375
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Patent number 3,128,375
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Issue date Apr 7, 1964
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G06 - COMPUTING CALCULATING COUNTING
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3044703
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Patent number 3,044,703
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G06 - COMPUTING CALCULATING COUNTING
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2858070
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Patent number 2,858,070
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B66 - HOISTING LIFTING HAULING
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2766933
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Patent number 2,766,933
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Issue date Oct 16, 1956
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G06 - COMPUTING CALCULATING COUNTING
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2731198
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Patent number 2,731,198
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Issue date Jan 17, 1956
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G06 - COMPUTING CALCULATING COUNTING
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2601382
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Patent number 2,601,382
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G06 - COMPUTING CALCULATING COUNTING
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2447517
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Patent number 2,447,517
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G06 - COMPUTING CALCULATING COUNTING
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2439365
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Patent number 2,439,365
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G06 - COMPUTING CALCULATING COUNTING
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2319106
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Patent number 2,319,106
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Issue date May 11, 1943
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G06 - COMPUTING CALCULATING COUNTING
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2087667
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Patent number 2,087,667
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Issue date Jul 20, 1937
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G06 - COMPUTING CALCULATING COUNTING