Granted Patent
Utility
US 5,544,481 · App. 08/414,569
Engine air/fuel control system and catalytic converter monitoring
Inventors:
Christopher Kirk Davey, Donald Fenwick Dickison, Robert Joseph Jerger
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Mar 31, 1995
Inventors
Christopher Kirk Davey
Donald Fenwick Dickison
Robert Joseph Jerger
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.