Granted Patent
Utility
US 4,337,708 · App. 06/139,514
Railway car superstructure frame
Inventor:
William H. Peterson
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Apr 11, 1980
Inventor
William H. Peterson
Assignee (at issue)
The Pullman Company LLC
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.