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Railway or tramway track
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Patent number 11,021,841
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Issue date Jun 1, 2021
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Jan Eisenreich
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Weed control devices and methods
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Patent number 9,273,436
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Issue date Mar 1, 2016
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Traffix Devices, Inc.
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Jack H. Kulp
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Rail boot
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Patent number 6,588,677
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Issue date Jul 8, 2003
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Iron Horse Engineering Co.
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Don R. Hofstetter
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Railroad tie pad for crossings
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Patent number 6,422,478
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Issue date Jul 23, 2002
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Northwest Rubber Extruders, Inc.
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Joseph Lucas
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2574090
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Patent number 2,574,090
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Issue date Nov 6, 1951
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2133227
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Patent number 2,133,227
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Issue date Oct 11, 1938
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2045253
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Patent number 2,045,253
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Issue date Jun 23, 1936
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1942566
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Patent number 1,942,566
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Issue date Jan 9, 1934
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1881660
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Patent number 1,881,660
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Issue date Oct 11, 1932
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1866759
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Patent number 1,866,759
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Issue date Jul 12, 1932
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1807174
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Patent number 1,807,174
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Issue date May 26, 1931
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1803179
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Patent number 1,803,179
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Issue date Apr 28, 1931
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1771078
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Patent number 1,771,078
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Issue date Jul 22, 1930
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1771079
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Patent number 1,771,079
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Issue date Jul 22, 1930
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1755108
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Patent number 1,755,108
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Issue date Apr 15, 1930
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1753563
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Patent number 1,753,563
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Issue date Apr 8, 1930
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1744304
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Patent number 1,744,304
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Issue date Jan 21, 1930
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1744714
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Patent number 1,744,714
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Issue date Jan 21, 1930
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1731336
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Patent number 1,731,336
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Issue date Oct 15, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1730068
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Patent number 1,730,068
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Issue date Oct 1, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1692642
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Patent number 1,692,642
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Issue date Nov 20, 1928
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1689300
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Patent number 1,689,300
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Issue date Oct 30, 1928
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1684680
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Patent number 1,684,680
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Issue date Sep 18, 1928
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1671021
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Patent number 1,671,021
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Issue date May 22, 1928
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1671022
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Patent number 1,671,022
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Issue date May 22, 1928
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1651879
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Patent number 1,651,879
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Issue date Dec 6, 1927
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES