Granted Patent
Utility
US 4,786,397 · App. 07/107,619
Seal for single wire O.sub.2 sensor
Inventors:
Michael Barbieri, Harry P. Wertheimer
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Oct 9, 1987
Inventors
Michael Barbieri
Harry P. Wertheimer
Assignee (at issue)
AlliedSignal, 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.