Granted Patent
Utility
US 5,390,650 · App. 08/031,408
Exhaust gas oxygen sensor monitoring
Inventors:
Thomas Scott Gee, Thomas Schubert, Paul F. Smith
Patented Case
View Patent ↗
Granted: Feb 21, 1995
Filed: Mar 15, 1993
Inventors
Thomas Scott Gee
Thomas Schubert
Paul F. Smith
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.