Granted Patent
Utility
US 4,260,103 · App. 06/004,072
Heating system for a railway car for utilizing waste heat from an engine
Inventor:
James M. Herring, Jr.
Patented Case
View Patent ↗
Granted: Apr 7, 1981
Filed: Jan 17, 1979
Inventor
James M. Herring, Jr.
Assignee (at issue)
The Budd Company
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.