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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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Railroad tie plugging system
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Patent number 10,975,527
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Issue date Apr 13, 2021
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Encore Rail Systems, Inc.
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Douglas Delmonico
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Railroad tie plugging system
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Patent number 9,920,488
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Issue date Mar 20, 2018
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Encore Rail Systems, Inc.
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Douglas Delmonico
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Tie plugging machine and method
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Patent number 9,617,692
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Issue date Apr 11, 2017
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Racine Railroad Products, Inc.
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David M. Brenny
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Railroad tie plugging device
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Patent number 5,636,574
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Issue date Jun 10, 1997
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Edwin A. Pierrot
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Railroad tie plug driver
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Patent number 4,785,692
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Issue date Nov 22, 1988
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Dennis W. Holmes
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Railway tie plug driving apparatus
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Patent number 4,522,127
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Issue date Jun 11, 1985
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Southern Railway Company
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John R. Miller
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Spike hole plugging material
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Patent number 4,152,185
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Issue date May 1, 1979
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Racine Railroad Products, Inc.
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Dennis J. Tessenske
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Spike hole plugging material
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Patent number 4,070,201
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Issue date Jan 24, 1978
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Racine Railroad Products, Inc.
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Dennis J. Tessenske
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3717302
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Patent number 3,717,302
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Issue date Feb 20, 1973
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3716608
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Patent number 3,716,608
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Issue date Feb 13, 1973
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3144835
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Patent number 3,144,835
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Issue date Aug 18, 1964
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3114331
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Patent number 3,114,331
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Issue date Dec 17, 1963
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2162604
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Patent number 2,162,604
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Issue date Jun 13, 1939
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1655808
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Patent number 1,655,808
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Issue date Jan 10, 1928
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1618889
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Patent number 1,618,889
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Issue date Feb 22, 1927
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES