Granted Patent
Utility
US 4,363,276 · App. 06/187,586
Railroad car truck side frame - bolster connection
Inventor:
Otto W. Neumann
Patented Case
View Patent ↗
Granted: Dec 14, 1982
Filed: Sep 15, 1980
Inventor
Otto W. Neumann
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.