Anti-rail rollover device
The broken line showings of
Claims
The ornamental design for an anti-rail rollover device, as shown and described.
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Type: Grant
Filed: May 16, 2017
Date of Patent: Jun 2, 2020
Assignee: Koppers Delaware, Inc. (Wilmington, DE)
Inventors: Steven D. Singleton (Sarver, PA), Donald A. Bielski (Youngstown, OH), Ronald K. Junk (Cabot, PA), John W. Mospan (Pittsburgh, PA)
Primary Examiner: Ania Aman
Application Number: 29/604,230