Granted Patent
Utility
US 5,503,084 · App. 08/323,888
Device for improving warp stiffness of a railcar truck
Inventors:
David J. Goding, V. Terrey Hawthorne
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Oct 17, 1994
Inventors
David J. Goding
V. Terrey Hawthorne
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.