Granted Patent
Utility
US 5,269,143 · App. 07/986,221
Diesel engine turbo-expander
Inventors:
Harry A. Cikanek, Vemulapalli D. N. Rao
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Dec 7, 1992
Inventors
Harry A. Cikanek
Vemulapalli D. N. Rao
Assignee (at issue)
Ford Motor 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.