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Hopper car double doors
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Patent number 11,731,668
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Issue date Aug 22, 2023
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Trinity Rail Group, LLC
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Lee A. Reitz
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Hopper car double doors
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Patent number 10,875,548
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Issue date Dec 29, 2020
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Trinity Rail Group, LLC
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Lee A. Reitz
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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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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3050320
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Patent number 3,050,320
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B60 - VEHICLES IN GENERAL
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2926962
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Patent number 2,926,962
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Issue date Mar 1, 1960
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B61 - RAILWAYS
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2926963
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Patent number 2,926,963
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Issue date Mar 1, 1960
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B61 - RAILWAYS
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2684642
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Patent number 2,684,642
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Issue date Jul 27, 1954
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B61 - RAILWAYS
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2630767
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Patent number 2,630,767
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Issue date Mar 10, 1953
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B61 - RAILWAYS
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2409856
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Patent number 2,409,856
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Issue date Oct 22, 1946
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B61 - RAILWAYS
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2373538
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Patent number 2,373,538
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Issue date Apr 10, 1945
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B61 - RAILWAYS
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2167362
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Patent number 2,167,362
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Issue date Jul 25, 1939
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B61 - RAILWAYS
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2152885
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Patent number 2,152,885
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Issue date Apr 4, 1939
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B61 - RAILWAYS
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2150418
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Patent number 2,150,418
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Issue date Mar 14, 1939
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B61 - RAILWAYS
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2081999
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Patent number 2,081,999
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Issue date Jun 1, 1937
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B61 - RAILWAYS
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2042151
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Patent number 2,042,151
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Issue date May 26, 1936
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B61 - RAILWAYS
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1977308
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Patent number 1,977,308
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Issue date Oct 16, 1934
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B61 - RAILWAYS
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1853673
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Patent number 1,853,673
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Issue date Apr 12, 1932
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B61 - RAILWAYS
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1768728
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Patent number 1,768,728
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Issue date Jul 1, 1930
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B61 - RAILWAYS
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1710889
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Patent number 1,710,889
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Issue date Apr 30, 1929
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B61 - RAILWAYS
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1706607
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Patent number 1,706,607
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Issue date Mar 26, 1929
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B61 - RAILWAYS
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1706353
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Patent number 1,706,353
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Issue date Mar 19, 1929
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1643013
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Patent number 1,643,013
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Issue date Sep 20, 1927
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B61 - RAILWAYS
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1635251
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Patent number 1,635,251
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Issue date Jul 12, 1927
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B61 - RAILWAYS
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1618811
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Patent number 1,618,811
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Issue date Feb 22, 1927
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B61 - RAILWAYS
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1615793
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Patent number 1,615,793
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Issue date Jan 25, 1927
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B61 - RAILWAYS
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1605944
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Patent number 1,605,944
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Issue date Nov 9, 1926
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B61 - RAILWAYS
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1563553
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Patent number 1,563,553
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Issue date Dec 1, 1925
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B61 - RAILWAYS