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3834531
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Patent number 3,834,531
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Issue date Sep 10, 1974
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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3808450
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Patent number 3,808,450
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Issue date Apr 30, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3739113
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Patent number 3,739,113
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Issue date Jun 12, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3634637
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Patent number 3,634,637
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Issue date Jan 11, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3525829
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Patent number 3,525,829
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Issue date Aug 25, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3487854
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Patent number 3,487,854
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Issue date Jan 6, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3434389
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Patent number 3,434,389
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Issue date Mar 25, 1969
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E21 - EARTH DRILLING MINING
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3396250
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Patent number 3,396,250
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Issue date Aug 6, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3155783
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Patent number 3,155,783
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Issue date Nov 3, 1964
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H01 - BASIC ELECTRIC ELEMENTS
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3078355
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Patent number 3,078,355
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Issue date Feb 19, 1963
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3020364
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Patent number 3,020,364
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Issue date Feb 6, 1962
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2993963
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Patent number 2,993,963
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Issue date Jul 25, 1961
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H01 - BASIC ELECTRIC ELEMENTS
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2991404
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Patent number 2,991,404
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H01 - BASIC ELECTRIC ELEMENTS
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2988616
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Patent number 2,988,616
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H01 - BASIC ELECTRIC ELEMENTS
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2897300
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Patent number 2,897,300
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H01 - BASIC ELECTRIC ELEMENTS
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2796472
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Patent number 2,796,472
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H01 - BASIC ELECTRIC ELEMENTS
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2775047
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Patent number 2,775,047
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2744172
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Patent number 2,744,172
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H01 - BASIC ELECTRIC ELEMENTS
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2695379
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Patent number 2,695,379
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2640117
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H01 - BASIC ELECTRIC ELEMENTS
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2591335
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Patent number 2,591,335
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H01 - BASIC ELECTRIC ELEMENTS
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2478407
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Patent number 2,478,407
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H01 - BASIC ELECTRIC ELEMENTS
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2447356
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Patent number 2,447,356
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H01 - BASIC ELECTRIC ELEMENTS
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2281553
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H01 - BASIC ELECTRIC ELEMENTS
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2165444
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Patent number 2,165,444
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H01 - BASIC ELECTRIC ELEMENTS
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1814943
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Patent number 1,814,943
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H01 - BASIC ELECTRIC ELEMENTS
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1755267
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Patent number 1,755,267
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H01 - BASIC ELECTRIC ELEMENTS
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1731808
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Patent number 1,731,808
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H01 - BASIC ELECTRIC ELEMENTS
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1726348
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Patent number 1,726,348
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H01 - BASIC ELECTRIC ELEMENTS