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3869081
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Patent number 3,869,081
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Issue date Mar 4, 1975
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G06 - COMPUTING CALCULATING COUNTING
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3750944
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Patent number 3,750,944
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Issue date Aug 7, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3741470
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Patent number 3,741,470
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Issue date Jun 26, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3722794
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Patent number 3,722,794
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Issue date Mar 27, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3722795
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Patent number 3,722,795
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Issue date Mar 27, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3707619
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Patent number 3,707,619
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Issue date Dec 26, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3703986
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Patent number 3,703,986
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Issue date Nov 28, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3677464
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Patent number 3,677,464
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Issue date Jul 18, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3669348
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Patent number 3,669,348
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Issue date Jun 13, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3646832
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Patent number 3,646,832
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Issue date Mar 7, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3638855
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Patent number 3,638,855
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Issue date Feb 1, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3622756
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Patent number 3,622,756
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Issue date Nov 23, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3600959
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Patent number 3,600,959
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Issue date Aug 24, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3600555
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Patent number 3,600,555
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Issue date Aug 17, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3583628
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Patent number 3,583,628
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Issue date Jun 8, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3581982
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Patent number 3,581,982
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Issue date Jun 1, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3565333
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Patent number 3,565,333
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Issue date Feb 23, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3549087
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Patent number 3,549,087
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Issue date Dec 22, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3525270
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Patent number 3,525,270
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Issue date Aug 25, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3515857
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Patent number 3,515,857
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Issue date Jun 2, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3497679
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Patent number 3,497,679
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Issue date Feb 24, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3494547
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Patent number 3,494,547
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Issue date Feb 10, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3481536
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Patent number 3,481,536
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Issue date Dec 2, 1969
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G06 - COMPUTING CALCULATING COUNTING
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3469776
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Patent number 3,469,776
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Issue date Sep 30, 1969
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G06 - COMPUTING CALCULATING COUNTING
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3417917
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Patent number 3,417,917
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Issue date Dec 24, 1968
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G06 - COMPUTING CALCULATING COUNTING
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3406899
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Patent number 3,406,899
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Issue date Oct 22, 1968
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G06 - COMPUTING CALCULATING COUNTING
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3385519
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Patent number 3,385,519
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Issue date May 28, 1968
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G06 - COMPUTING CALCULATING COUNTING
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3331554
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Patent number 3,331,554
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Issue date Jul 18, 1967
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G06 - COMPUTING CALCULATING COUNTING
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3326461
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Patent number 3,326,461
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Issue date Jun 20, 1967
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G06 - COMPUTING CALCULATING COUNTING
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3323717
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Patent number 3,323,717
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Issue date Jun 6, 1967
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G06 - COMPUTING CALCULATING COUNTING