Granted Patent
Utility
US 4,526,672 · App. 06/592,626
Oxygen sensor
Inventor:
Larry T. Reed
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Mar 23, 1984
Inventor
Larry T. Reed
Assignee (at issue)
Axia, Inc.
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.