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Bridge apparatus
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Patent number 8,959,694
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Issue date Feb 24, 2015
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Ensco 392 Limited
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Derek William Frank Clarke
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Wear resisting span lock system
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Patent number 8,590,086
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Issue date Nov 26, 2013
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Steward Machine Co., Inc.
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Robert L. Cragg
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Static stabilizers for bridges
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Patent number 7,020,924
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Issue date Apr 4, 2006
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Steward Machine Co., Inc.
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Robert L. Cragg
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Movable bridge center lock
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Patent number 6,453,494
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Issue date Sep 24, 2002
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Terry L. Koglin
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Railroad highway crossing
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Patent number 5,474,266
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Issue date Dec 12, 1995
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Terry L. Koglin
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
-
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3864777
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Patent number 3,864,777
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Issue date Feb 11, 1975
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3848288
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Patent number 3,848,288
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Issue date Nov 19, 1974
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3744075
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Patent number 3,744,075
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Issue date Jul 10, 1973
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3548434
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Patent number 3,548,434
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Issue date Dec 22, 1970
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3414340
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Patent number 3,414,340
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Issue date Dec 3, 1968
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3308496
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Patent number 3,308,496
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Issue date Mar 14, 1967
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3276059
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Patent number 3,276,059
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Issue date Oct 4, 1966
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3203513
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Patent number 3,203,513
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Issue date Aug 31, 1965
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2985115
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Patent number 2,985,115
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Issue date May 23, 1961
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2740145
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Patent number 2,740,145
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Issue date Apr 3, 1956
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2724135
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Patent number 2,724,135
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Issue date Nov 22, 1955
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2610341
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Patent number 2,610,341
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Issue date Sep 16, 1952
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2411480
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Patent number 2,411,480
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Issue date Nov 19, 1946
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2337994
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Patent number 2,337,994
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Issue date Dec 28, 1943
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2242615
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Patent number 2,242,615
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Issue date May 20, 1941
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2191708
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Patent number 2,191,708
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Issue date Feb 27, 1940
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2109797
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Patent number 2,109,797
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Issue date Mar 1, 1938
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2066110
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Patent number 2,066,110
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Issue date Dec 29, 1936
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2041665
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Patent number 2,041,665
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Issue date May 19, 1936
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2035193
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Patent number 2,035,193
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Issue date Mar 24, 1936
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2011467
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Patent number 2,011,467
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Issue date Aug 13, 1935
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES