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Aerator control arrangement
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Patent number 4,466,558
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Issue date Aug 21, 1984
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ACF Industries, Incorporated
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Richard H. Dugge
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Hopper car for liquid unit-train service
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Patent number 4,206,709
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Issue date Jun 10, 1980
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ACF Industries, Incorporated
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Steven L. Jantzen
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Aerator control arrangement
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Patent number 4,165,820
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Issue date Aug 28, 1979
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ACF Industries, Incorporated
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Richard H. Dugge
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Combination hatch covers
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Patent number 4,040,363
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Issue date Aug 9, 1977
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ACF Industries, Incorporated
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Howard J. Walk
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B61 - RAILWAYS
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Quick change fluidizing outlet assembly
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Patent number 4,015,751
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Issue date Apr 5, 1977
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ACF Industries, Incorporated
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Dallas W. Rollins
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Variable metering drop valve
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Patent number 4,014,578
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Issue date Mar 29, 1977
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ACF Industries, Incorporated
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Charles N. Grott
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Self indexing elbow
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Patent number 3,958,722
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Issue date May 25, 1976
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ACF Industries, Incorporated
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Richard H. Dugge
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL