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Gauge plate insulator
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Patent number 12,037,750
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Issue date Jul 16, 2024
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Koppers Delaware, Inc.
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Steven D. Singleton
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Heat source for rail expansion
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Patent number 6,460,535
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Issue date Oct 8, 2002
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Forrest Paint Company
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Stephen E. Nisewander
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Demolder
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Patent number 5,323,709
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Issue date Jun 28, 1994
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ESCO Equipment Service Company
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Thomas E. Dickey
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Crossing frog with a moving point
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Patent number 5,082,214
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Issue date Jan 21, 1992
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Cogifer (Cie Generale d'Installations Ferroviaires), S.A.
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Gerard Testart
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Aligning rail ends for welding
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Patent number 4,674,730
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Issue date Jun 23, 1987
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Roberts; Jeff
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Jeff Roberts
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3729135
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Patent number 3,729,135
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Issue date Apr 24, 1973
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B60 - VEHICLES IN GENERAL
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3456333
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Patent number 3,456,333
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Issue date Jul 22, 1969
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3166249
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Patent number 3,166,249
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Issue date Jan 19, 1965
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3139364
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Patent number 3,139,364
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Issue date Jun 30, 1964
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3100080
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Patent number 3,100,080
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Issue date Aug 6, 1963
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2966309
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Patent number 2,966,309
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Issue date Dec 27, 1960
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2657863
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Patent number 2,657,863
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Issue date Nov 3, 1953
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2633302
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Patent number 2,633,302
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Issue date Mar 31, 1953
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2238836
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Patent number 2,238,836
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Issue date Apr 15, 1941
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2193726
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Patent number 2,193,726
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Issue date Mar 12, 1940
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2181408
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Patent number 2,181,408
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Issue date Nov 28, 1939
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2166654
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Patent number 2,166,654
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Issue date Jul 18, 1939
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2128770
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Patent number 2,128,770
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Issue date Aug 30, 1938
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES