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Center sill gondola car
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Patent number 4,408,542
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Issue date Oct 11, 1983
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Thrall Car Manufacturing Company
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James C. Heap
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B61 - RAILWAYS
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-
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Pivoting back one-spot coke car
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Patent number 4,366,029
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Issue date Dec 28, 1982
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Koppers Company, Inc.
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Robert P. Bixby
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Rail car door linkage
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Patent number 4,266,486
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Issue date May 12, 1981
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The Maxson Corporation
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Douglas A. Puariea
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B61 - RAILWAYS
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Side dumping railroad car
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Patent number 4,240,355
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Issue date Dec 23, 1980
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The Maxson Corporation
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Douglas A. Puariea
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B61 - RAILWAYS
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3841234
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Patent number 3,841,234
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Issue date Oct 15, 1974
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B61 - RAILWAYS
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3807317
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Patent number 3,807,317
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Issue date Apr 30, 1974
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B61 - RAILWAYS
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3776144
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Patent number 3,776,144
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Issue date Dec 4, 1973
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B61 - RAILWAYS
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3669029
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Patent number 3,669,029
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Issue date Jun 13, 1972
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B61 - RAILWAYS
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3596610
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Patent number 3,596,610
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Issue date Aug 3, 1971
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B61 - RAILWAYS
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3396859
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Patent number 3,396,859
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Issue date Aug 13, 1968
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3203565
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Patent number 3,203,565
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Issue date Aug 31, 1965
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3192875
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Patent number 3,192,875
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Issue date Jul 6, 1965
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B22 - CASTING POWDER METALLURGY
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3186356
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Patent number 3,186,356
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Issue date Jun 1, 1965
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B61 - RAILWAYS
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3166022
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Patent number 3,166,022
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Issue date Jan 19, 1965
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B61 - RAILWAYS
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3132600
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Patent number 3,132,600
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Issue date May 12, 1964
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B61 - RAILWAYS
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3126840
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Patent number 3,126,840
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Issue date Mar 31, 1964
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B61 - RAILWAYS
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3123017
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Patent number 3,123,017
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Issue date Mar 3, 1964
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B61 - RAILWAYS
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3120823
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Patent number 3,120,823
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Issue date Feb 11, 1964
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B61 - RAILWAYS
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3120822
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Patent number 3,120,822
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Issue date Feb 11, 1964
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B60 - VEHICLES IN GENERAL
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3118394
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Patent number 3,118,394
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Issue date Jan 21, 1964
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B61 - RAILWAYS
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3099229
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Patent number 3,099,229
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Issue date Jul 30, 1963
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3072074
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Patent number 3,072,074
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Issue date Jan 8, 1963
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B61 - RAILWAYS
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3055316
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Patent number 3,055,316
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Issue date Sep 25, 1962
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B22 - CASTING POWDER METALLURGY
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3016846
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Patent number 3,016,846
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Issue date Jan 16, 1962
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL