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3720139
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Patent number 3,720,139
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Issue date Mar 13, 1973
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2688954
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Patent number 2,688,954
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Issue date Sep 14, 1954
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2603193
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Patent number 2,603,193
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Issue date Jul 15, 1952
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2453640
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Patent number 2,453,640
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Issue date Nov 9, 1948
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2022197
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Patent number 2,022,197
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Issue date Nov 26, 1935
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1990703
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Patent number 1,990,703
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Issue date Feb 12, 1935
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1672227
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Patent number 1,672,227
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Issue date Jun 5, 1928
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1645761
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Patent number 1,645,761
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Issue date Oct 18, 1927
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1566075
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Patent number 1,566,075
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Issue date Dec 15, 1925
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1400236
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Patent number 1,400,236
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Issue date Dec 13, 1921
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES