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Ronald K. Junk
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Cabot, PA, US
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Patents Grants
last 30 patents
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Patent Grant
Rail joint assembly having forged rail joint bars
Patent number
10,961,665
Issue date
Mar 30, 2021
Koppers Delaware, Inc.
Steven D. Singleton
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Anti-rail rollover device
Patent number
D885977
Issue date
Jun 2, 2020
Koppers Delaware, Inc.
Steven D. Singleton
D12 - Transportation
Patents Applications
last 30 patents
Information
Patent Application
Rail Joint Assembly having Forged Rail Joint Bars
Publication number
20190127923
Publication date
May 2, 2019
KOPPERS DELAWARE, INC.
Steven D. Singleton
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Gauge Plate
Publication number
20180320323
Publication date
Nov 8, 2018
KOPPERS DELAWARE, INC.
Steven D. Singleton
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES