Granted Patent
Utility
US 4,883,032 · App. 07/299,853
In-cylinder control of particulates and nitric oxide for diesel engine
Inventors:
Charles Eric Hunter, Harry A. Cikanek
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Jan 23, 1989
Inventors
Charles Eric Hunter
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.