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3690097
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Patent number 3,690,097
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Issue date Sep 12, 1972
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3002504
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Patent number 3,002,504
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Issue date Oct 3, 1961
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2984222
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Patent number 2,984,222
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Issue date May 16, 1961
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2539571
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Patent number 2,539,571
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Issue date Jan 30, 1951
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2393773
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Patent number 2,393,773
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Issue date Jan 29, 1946
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2208568
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Patent number 2,208,568
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Issue date Jul 23, 1940
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2163080
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Patent number 2,163,080
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Issue date Jun 20, 1939
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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424505
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Patent number 424,505
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Issue date Apr 1, 1890
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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333799
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Patent number 333,799
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Issue date Jan 5, 1886
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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147403
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Patent number 147,403
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Issue date Feb 10, 1874
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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143261
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Patent number 143,261
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Issue date Sep 30, 1873
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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112015
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Patent number 112,015
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Issue date Feb 21, 1871
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES