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-
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3147347
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Patent number 3,147,347
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Issue date Sep 1, 1964
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G11 - INFORMATION STORAGE
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3087026
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Patent number 3,087,026
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Issue date Apr 23, 1963
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G11 - INFORMATION STORAGE
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3066197
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Patent number 3,066,197
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Issue date Nov 27, 1962
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G11 - INFORMATION STORAGE
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3030014
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Patent number 3,030,014
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Issue date Apr 17, 1962
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G06 - COMPUTING CALCULATING COUNTING
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2897286
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Patent number 2,897,286
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Issue date Jul 28, 1959
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G11 - INFORMATION STORAGE
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2853560
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Patent number 2,853,560
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Issue date Sep 23, 1958
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G11 - INFORMATION STORAGE
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2822427
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Patent number 2,822,427
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Issue date Feb 4, 1958
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G11 - INFORMATION STORAGE
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2806904
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Patent number 2,806,904
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Issue date Sep 17, 1957
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G11 - INFORMATION STORAGE
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2743320
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Patent number 2,743,320
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Issue date Apr 24, 1956
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G11 - INFORMATION STORAGE
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2632061
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Patent number 2,632,061
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Issue date Mar 17, 1953
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G11 - INFORMATION STORAGE