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Turnout with closing frog
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Patent number 4,948,073
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Issue date Aug 14, 1990
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Kadee Metal Products, Co.
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Clarence K. Edwards
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Railway switch for vignoles rails
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Patent number 4,159,090
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Issue date Jun 26, 1979
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Vereinigte Osterreichische Eisen- und Stahlwerke - Alpine Montan Aktiengesell...
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Robert Pirker
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Railroad type switch
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Patent number 4,059,054
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Issue date Nov 22, 1977
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Alimanestianu; Mihai
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Mihai Alimanestianu
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3918665
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Patent number 3,918,665
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Issue date Nov 11, 1975
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2583278
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Patent number 2,583,278
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Issue date Jan 22, 1952
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2285559
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Patent number 2,285,559
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Issue date Jun 9, 1942
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1443559
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Patent number 1,443,559
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Issue date Jan 30, 1923
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1440754
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Patent number 1,440,754
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Issue date Jan 2, 1923
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1440223
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Patent number 1,440,223
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Issue date Dec 26, 1922
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1425472
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Patent number 1,425,472
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Issue date Aug 8, 1922
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1411405
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Patent number 1,411,405
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Issue date Apr 4, 1922
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1404810
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Patent number 1,404,810
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Issue date Jan 31, 1922
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1399289
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Patent number 1,399,289
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Issue date Dec 6, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1383899
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Patent number 1,383,899
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Issue date Jul 5, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1380433
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Patent number 1,380,433
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Issue date Jun 7, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1374415
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Patent number 1,374,415
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Issue date Apr 12, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1371872
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Patent number 1,371,872
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Issue date Mar 15, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1370410
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Patent number 1,370,410
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Issue date Mar 1, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1367837
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Patent number 1,367,837
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Issue date Feb 8, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1364938
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Patent number 1,364,938
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Issue date Jan 11, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1362047
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Patent number 1,362,047
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Issue date Dec 14, 1920
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1354080
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Patent number 1,354,080
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Issue date Sep 28, 1920
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1347431
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Patent number 1,347,431
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Issue date Jul 20, 1920
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1344866
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Patent number 1,344,866
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Issue date Jun 29, 1920
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1340750
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Patent number 1,340,750
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Issue date May 18, 1920
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1338253
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Patent number 1,338,253
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Issue date Apr 27, 1920
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1171621
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Patent number 1,171,621
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Issue date Feb 15, 1916
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES