Granted Patent
Utility
US 5,396,764 · App. 08/195,502
Spark ignition engine exhaust system
Inventors:
Vemulapalli D. N. Rao, Harry A. Cikanek
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Feb 14, 1994
Inventors
Vemulapalli D. N. Rao
Harry A. Cikanek
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.