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3699550
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Patent number 3,699,550
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Issue date Oct 17, 1972
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G11 - INFORMATION STORAGE
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3670312
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Patent number 3,670,312
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Issue date Jun 13, 1972
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G11 - INFORMATION STORAGE
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3611328
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Patent number 3,611,328
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Issue date Oct 5, 1971
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G11 - INFORMATION STORAGE
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3588854
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Patent number 3,588,854
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Issue date Jun 28, 1971
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G11 - INFORMATION STORAGE
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3588853
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Patent number 3,588,853
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Issue date Jun 28, 1971
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G11 - INFORMATION STORAGE
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3576552
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Patent number 3,576,552
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Issue date Apr 27, 1971
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G11 - INFORMATION STORAGE
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3568171
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Patent number 3,568,171
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Issue date Mar 2, 1971
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3568172
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Patent number 3,568,172
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Issue date Mar 2, 1971
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G11 - INFORMATION STORAGE
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3543250
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Patent number 3,543,250
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Issue date Nov 24, 1970
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G11 - INFORMATION STORAGE
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3505660
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Patent number 3,505,660
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Issue date Apr 7, 1970
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G11 - INFORMATION STORAGE
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3503044
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Patent number 3,503,044
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Issue date Mar 24, 1970
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G11 - INFORMATION STORAGE
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3487379
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Patent number 3,487,379
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Issue date Dec 30, 1969
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G11 - INFORMATION STORAGE
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3487380
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Patent number 3,487,380
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Issue date Dec 30, 1969
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G11 - INFORMATION STORAGE
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3487382
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Patent number 3,487,382
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Issue date Dec 30, 1969
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G11 - INFORMATION STORAGE
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3479654
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Patent number 3,479,654
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Issue date Nov 18, 1969
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3476919
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Patent number 3,476,919
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Issue date Nov 4, 1969
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G11 - INFORMATION STORAGE
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3470543
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Patent number 3,470,543
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Issue date Sep 30, 1969
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G11 - INFORMATION STORAGE
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3466627
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Patent number 3,466,627
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Issue date Sep 9, 1969
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G06 - COMPUTING CALCULATING COUNTING
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3462749
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Patent number 3,462,749
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Issue date Aug 19, 1969
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G11 - INFORMATION STORAGE
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3460104
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Patent number 3,460,104
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Issue date Aug 5, 1969
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G11 - INFORMATION STORAGE
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3454937
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Patent number 3,454,937
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Issue date Jul 8, 1969
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G11 - INFORMATION STORAGE
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3454938
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Patent number 3,454,938
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Issue date Jul 8, 1969
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G11 - INFORMATION STORAGE
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3453606
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Patent number 3,453,606
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Issue date Jul 1, 1969
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G11 - INFORMATION STORAGE
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3452337
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Patent number 3,452,337
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Issue date Jun 24, 1969
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G06 - COMPUTING CALCULATING COUNTING
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3452341
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Patent number 3,452,341
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Issue date Jun 24, 1969
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G11 - INFORMATION STORAGE
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3448441
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Patent number 3,448,441
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Issue date Jun 3, 1969
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G11 - INFORMATION STORAGE
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3447141
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Patent number 3,447,141
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Issue date May 27, 1969
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G11 - INFORMATION STORAGE
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3447142
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Patent number 3,447,142
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Issue date May 27, 1969
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G11 - INFORMATION STORAGE
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3439352
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Patent number 3,439,352
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Issue date Apr 15, 1969
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G11 - INFORMATION STORAGE
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3438008
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Patent number 3,438,008
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Issue date Apr 8, 1969
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G11 - INFORMATION STORAGE