Granted Patent
Utility
US 5,279,997 · App. 07/772,298
Selective reduction of NO.sub.x
Inventors:
Clifford Norman Montreuil, Mordecai Shelef
Patented Case
View Patent ↗
Granted: Jan 18, 1994
Filed: Oct 7, 1991
Inventors
Clifford Norman Montreuil
Mordecai Shelef
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.