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3764900
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Patent number 3,764,900
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Issue date Oct 9, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3684872
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Patent number 3,684,872
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G06 - COMPUTING CALCULATING COUNTING
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3572113
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Patent number 3,572,113
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G06 - COMPUTING CALCULATING COUNTING
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3263067
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Patent number 3,263,067
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G06 - COMPUTING CALCULATING COUNTING
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3207977
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Patent number 3,207,977
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G06 - COMPUTING CALCULATING COUNTING
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3099741
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Patent number 3,099,741
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G06 - COMPUTING CALCULATING COUNTING
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3081033
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Patent number 3,081,033
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G06 - COMPUTING CALCULATING COUNTING
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3038656
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Patent number 3,038,656
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Issue date Jun 12, 1962
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G06 - COMPUTING CALCULATING COUNTING
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2989234
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Patent number 2,989,234
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G06 - COMPUTING CALCULATING COUNTING
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2936207
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Patent number 2,936,207
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G06 - COMPUTING CALCULATING COUNTING
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2913170
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Patent number 2,913,170
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G06 - COMPUTING CALCULATING COUNTING
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2870961
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Patent number 2,870,961
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G06 - COMPUTING CALCULATING COUNTING
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2858978
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Patent number 2,858,978
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G06 - COMPUTING CALCULATING COUNTING
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2839246
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Patent number 2,839,246
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G06 - COMPUTING CALCULATING COUNTING
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2838233
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Patent number 2,838,233
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G06 - COMPUTING CALCULATING COUNTING
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2824689
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Patent number 2,824,689
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G06 - COMPUTING CALCULATING COUNTING
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2798666
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Patent number 2,798,666
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G06 - COMPUTING CALCULATING COUNTING
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2795377
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Patent number 2,795,377
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G06 - COMPUTING CALCULATING COUNTING
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2793805
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Patent number 2,793,805
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G06 - COMPUTING CALCULATING COUNTING
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2683563
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Patent number 2,683,563
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G06 - COMPUTING CALCULATING COUNTING
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2661897
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Patent number 2,661,897
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G06 - COMPUTING CALCULATING COUNTING
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2630511
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Patent number 2,630,511
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G06 - COMPUTING CALCULATING COUNTING
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2612627
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Patent number 2,612,627
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G06 - COMPUTING CALCULATING COUNTING
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2569817
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Patent number 2,569,817
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G06 - COMPUTING CALCULATING COUNTING
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2569510
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Patent number 2,569,510
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Issue date Oct 2, 1951
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G06 - COMPUTING CALCULATING COUNTING
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2569816
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Patent number 2,569,816
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Issue date Oct 2, 1951
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G06 - COMPUTING CALCULATING COUNTING
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2569818
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Patent number 2,569,818
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Issue date Oct 2, 1951
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G06 - COMPUTING CALCULATING COUNTING
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2547950
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Patent number 2,547,950
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G06 - COMPUTING CALCULATING COUNTING
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2542490
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Patent number 2,542,490
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G06 - COMPUTING CALCULATING COUNTING
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2423754
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Patent number 2,423,754
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G06 - COMPUTING CALCULATING COUNTING