Granted Patent
Utility
US 5,357,791 · App. 08/031,407
OBD-II exhaust gas oxygen sensor
Inventors:
Thomas Scott Gee, Thomas Schubert, Paul F. Smith, Carl Wesley Squire
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Mar 15, 1993
Inventors
Thomas Scott Gee
Thomas Schubert
Paul F. Smith
Carl Wesley Squire
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.