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3719800
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Patent number 3,719,800
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Issue date Mar 6, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3620090
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Patent number 3,620,090
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Issue date Nov 16, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3523453
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Patent number 3,523,453
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Issue date Aug 11, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3426619
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Patent number 3,426,619
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Issue date Feb 11, 1969
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G06 - COMPUTING CALCULATING COUNTING
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3372600
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Patent number 3,372,600
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Issue date Mar 12, 1968
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G06 - COMPUTING CALCULATING COUNTING
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3319336
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Patent number 3,319,336
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Issue date May 16, 1967
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G06 - COMPUTING CALCULATING COUNTING
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3313164
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Patent number 3,313,164
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Issue date Apr 11, 1967
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G06 - COMPUTING CALCULATING COUNTING
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3204477
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Patent number 3,204,477
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Issue date Sep 7, 1965
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G06 - COMPUTING CALCULATING COUNTING
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3169699
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Patent number 3,169,699
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Issue date Feb 16, 1965
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G06 - COMPUTING CALCULATING COUNTING
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3161355
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Patent number 3,161,355
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Issue date Dec 15, 1964
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G06 - COMPUTING CALCULATING COUNTING
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3150528
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Patent number 3,150,528
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Issue date Sep 29, 1964
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G06 - COMPUTING CALCULATING COUNTING
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3104810
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Patent number 3,104,810
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G06 - COMPUTING CALCULATING COUNTING
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3097539
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Patent number 3,097,539
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Issue date Jul 16, 1963
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G06 - COMPUTING CALCULATING COUNTING
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3051009
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Patent number 3,051,009
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G06 - COMPUTING CALCULATING COUNTING
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3049290
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Patent number 3,049,290
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G06 - COMPUTING CALCULATING COUNTING
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3040587
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Patent number 3,040,587
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Issue date Jun 26, 1962
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G06 - COMPUTING CALCULATING COUNTING
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3040979
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Patent number 3,040,979
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Issue date Jun 26, 1962
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G06 - COMPUTING CALCULATING COUNTING
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3004441
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Patent number 3,004,441
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Issue date Oct 17, 1961
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G06 - COMPUTING CALCULATING COUNTING
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2996803
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Patent number 2,996,803
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G06 - COMPUTING CALCULATING COUNTING
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2961767
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Patent number 2,961,767
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Issue date Nov 29, 1960
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G06 - COMPUTING CALCULATING COUNTING
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2944238
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Patent number 2,944,238
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Issue date Jul 5, 1960
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G06 - COMPUTING CALCULATING COUNTING
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2933932
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Patent number 2,933,932
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Issue date Apr 26, 1960
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G06 - COMPUTING CALCULATING COUNTING
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2923468
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Patent number 2,923,468
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Issue date Feb 2, 1960
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G06 - COMPUTING CALCULATING COUNTING
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2919605
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Patent number 2,919,605
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Issue date Jan 5, 1960
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G06 - COMPUTING CALCULATING COUNTING
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2908188
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Patent number 2,908,188
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G06 - COMPUTING CALCULATING COUNTING
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2888195
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Patent number 2,888,195
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Issue date May 26, 1959
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G06 - COMPUTING CALCULATING COUNTING
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2873065
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Patent number 2,873,065
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G06 - COMPUTING CALCULATING COUNTING
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2858705
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Patent number 2,858,705
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G06 - COMPUTING CALCULATING COUNTING
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2828638
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Patent number 2,828,638
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G06 - COMPUTING CALCULATING COUNTING
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2773642
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Patent number 2,773,642
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G06 - COMPUTING CALCULATING COUNTING