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3851819
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Patent number 3,851,819
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Issue date Dec 3, 1974
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2533564
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Patent number 2,533,564
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Issue date Dec 12, 1950
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G05 - CONTROLLING REGULATING
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2378178
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Patent number 2,378,178
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Issue date Jun 12, 1945
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G05 - CONTROLLING REGULATING
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2145866
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Patent number 2,145,866
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Issue date Feb 7, 1939
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G01 - MEASURING TESTING
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1640149
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Patent number 1,640,149
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Issue date Aug 23, 1927
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1609088
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Patent number 1,609,088
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Issue date Nov 30, 1926
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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1592260
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Patent number 1,592,260
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Issue date Jul 13, 1926
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1475449
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Patent number 1,475,449
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Issue date Nov 27, 1923
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1472873
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Patent number 1,472,873
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Issue date Nov 6, 1923
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1320768
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Patent number 1,320,768
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Issue date Nov 4, 1919
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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1288295
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Patent number 1,288,295
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Issue date Dec 17, 1918
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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1071895
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Patent number 1,071,895
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Issue date Sep 2, 1913
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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1060882
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Patent number 1,060,882
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Issue date May 6, 1913
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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887714
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Patent number 887,714
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Issue date May 12, 1908
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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887223
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Patent number 887,223
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Issue date May 12, 1908
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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841318
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Patent number 841,318
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Issue date Jan 15, 1907
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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818281
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Patent number 818,281
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Issue date Apr 17, 1906
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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781731
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Patent number 781,731
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Issue date Feb 7, 1905
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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781779
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Patent number 781,779
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Issue date Feb 7, 1905
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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781966
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Patent number 781,966
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Issue date Feb 7, 1905
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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781780
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Patent number 781,780
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Issue date Feb 7, 1905
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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754469
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Patent number 754,469
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Issue date Mar 15, 1904
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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746836
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Patent number 746,836
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Issue date Dec 15, 1903
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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738547
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Patent number 738,547
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Issue date Sep 8, 1903
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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736276
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Patent number 736,276
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Issue date Aug 11, 1903
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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718221
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Patent number 718,221
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Issue date Jan 13, 1903
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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712534
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Patent number 712,534
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Issue date Nov 4, 1902
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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692785
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Patent number 692,785
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Issue date Feb 4, 1902
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...