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All purpose car
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Patent number 5,090,331
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Issue date Feb 25, 1992
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Trinity Industries, Inc.
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Harold E. Hesch
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B61 - RAILWAYS
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All purpose car
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Patent number 5,052,868
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Issue date Oct 1, 1991
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Trinity Industries, Inc.
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Harold E. Hesch
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B61 - RAILWAYS
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Railway freight car
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Patent number 4,917,019
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Issue date Apr 17, 1990
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Trinity Industries, Inc.
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Harold E. Hesch
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B61 - RAILWAYS
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Railway freight car
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Patent number 4,864,938
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Issue date Sep 12, 1989
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Trinity Industries, Inc.
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Harold E. Hesch
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B61 - RAILWAYS
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Pneumatic discharge arrangement
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Patent number 4,317,532
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Issue date Mar 2, 1982
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Pullman Incorporated
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Phillip Przybylinski
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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