Granted Patent
Utility
US 4,277,322 · App. 06/118,480
Oxygen sensor
Inventor:
William T. Kane
Patented Case
View Patent ↗
Granted: Jul 7, 1981
Filed: Feb 4, 1980
Inventor
William T. Kane
Assignee (at issue)
Corning Glass Works
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.