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Rail anchoring spike
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Patent number 12,258,717
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Issue date Mar 25, 2025
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Lewis Bolt & Nut Company
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David M. Barry
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Rail anchoring spike
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Patent number 12,006,638
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Issue date Jun 11, 2024
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Lewis Bolt & Nut Company
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David M. Barry
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Method for maintaining wood railroad ties
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Patent number 11,479,920
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Issue date Oct 25, 2022
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Railroad Solutions, Inc.
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Walter Vizcaino
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Super spike
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Patent number 8,529,180
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Issue date Sep 10, 2013
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United Steel and Fasteners
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Isaac Sargis
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Rail anchoring spike
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Patent number 6,808,120
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Issue date Oct 26, 2004
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Lewis Bolt & Nut Company
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David Oram
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Rail bounded transport system
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Patent number 6,595,434
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Issue date Jul 22, 2003
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Hen-See Teknik AB
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Gerhard Seeger
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Rail anchoring spike
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Patent number 6,471,140
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Issue date Oct 29, 2002
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Lewis Bolt & Nut Company
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David M. Barry
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Railroad spike
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Patent number 5,160,085
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Issue date Nov 3, 1992
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James W. Arnold
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Railroad spike
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Patent number 4,454,986
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Issue date Jun 19, 1984
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Koppers International Canada Ltd.
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Ernest J. Taylor-Smith
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3905549
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Patent number 3,905,549
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Issue date Sep 16, 1975
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3367576
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Patent number 3,367,576
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Issue date Feb 6, 1968
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3356300
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Patent number 3,356,300
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Issue date Dec 5, 1967
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3145929
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Patent number 3,145,929
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Issue date Aug 25, 1964
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3025003
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Patent number 3,025,003
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Issue date Mar 13, 1962
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2905390
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Patent number 2,905,390
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Issue date Sep 22, 1959
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES