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3736397
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Patent number 3,736,397
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Issue date May 29, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3716695
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Patent number 3,716,695
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G06 - COMPUTING CALCULATING COUNTING
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3703987
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Patent number 3,703,987
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G06 - COMPUTING CALCULATING COUNTING
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3693123
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Patent number 3,693,123
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G06 - COMPUTING CALCULATING COUNTING
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3678255
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Patent number 3,678,255
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G06 - COMPUTING CALCULATING COUNTING
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3674199
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Patent number 3,674,199
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G06 - COMPUTING CALCULATING COUNTING
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3645439
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Patent number 3,645,439
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G06 - COMPUTING CALCULATING COUNTING
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3526356
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Patent number 3,526,356
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G06 - COMPUTING CALCULATING COUNTING
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3516529
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G06 - COMPUTING CALCULATING COUNTING
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3516604
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Patent number 3,516,604
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G06 - COMPUTING CALCULATING COUNTING
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3416388
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3395590
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3359397
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2356714
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2043021
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1968972
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1817817
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G06 - COMPUTING CALCULATING COUNTING
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1788284
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1437286
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1297037
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1272977
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1215567
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1032526
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969300
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909866
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813360
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G06 - COMPUTING CALCULATING COUNTING