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2685407
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Patent number 2,685,407
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Issue date Aug 3, 1954
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G06 - COMPUTING CALCULATING COUNTING
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2660373
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Patent number 2,660,373
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G06 - COMPUTING CALCULATING COUNTING
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2635229
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Patent number 2,635,229
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G06 - COMPUTING CALCULATING COUNTING
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2521418
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Patent number 2,521,418
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G06 - COMPUTING CALCULATING COUNTING
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2501821
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Patent number 2,501,821
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G06 - COMPUTING CALCULATING COUNTING
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2390427
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Patent number 2,390,427
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Issue date Dec 4, 1945
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G06 - COMPUTING CALCULATING COUNTING
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2375277
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Patent number 2,375,277
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Issue date May 8, 1945
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G06 - COMPUTING CALCULATING COUNTING
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2370616
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Patent number 2,370,616
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Issue date Mar 6, 1945
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G06 - COMPUTING CALCULATING COUNTING
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2361996
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Patent number 2,361,996
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Issue date Nov 7, 1944
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G06 - COMPUTING CALCULATING COUNTING
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2359631
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Patent number 2,359,631
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Issue date Oct 3, 1944
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G06 - COMPUTING CALCULATING COUNTING
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2346249
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Patent number 2,346,249
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G06 - COMPUTING CALCULATING COUNTING
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2343399
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Issue date Mar 7, 1944
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G06 - COMPUTING CALCULATING COUNTING
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2328611
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Patent number 2,328,611
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Issue date Sep 7, 1943
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G06 - COMPUTING CALCULATING COUNTING
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2328610
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Patent number 2,328,610
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Issue date Sep 7, 1943
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G06 - COMPUTING CALCULATING COUNTING
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2315686
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Patent number 2,315,686
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Issue date Apr 6, 1943
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G06 - COMPUTING CALCULATING COUNTING
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2307116
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Patent number 2,307,116
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Issue date Jan 5, 1943
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G06 - COMPUTING CALCULATING COUNTING
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2304495
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G06 - COMPUTING CALCULATING COUNTING
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2295448
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Issue date Sep 8, 1942
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G06 - COMPUTING CALCULATING COUNTING
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2243473
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Patent number 2,243,473
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Issue date May 27, 1941
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G06 - COMPUTING CALCULATING COUNTING
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2243474
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Issue date May 27, 1941
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G06 - COMPUTING CALCULATING COUNTING
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2219737
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Patent number 2,219,737
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G06 - COMPUTING CALCULATING COUNTING
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2217196
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Patent number 2,217,196
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Issue date Oct 8, 1940
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G06 - COMPUTING CALCULATING COUNTING
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2199537
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Issue date May 7, 1940
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G06 - COMPUTING CALCULATING COUNTING
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2199656
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Patent number 2,199,656
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Issue date May 7, 1940
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G06 - COMPUTING CALCULATING COUNTING
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2192599
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Issue date Mar 5, 1940
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G06 - COMPUTING CALCULATING COUNTING
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2192729
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Issue date Mar 5, 1940
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G06 - COMPUTING CALCULATING COUNTING
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2192003
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Patent number 2,192,003
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Issue date Feb 27, 1940
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G06 - COMPUTING CALCULATING COUNTING
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2166928
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G06 - COMPUTING CALCULATING COUNTING