Granted Patent
Utility
US 4,535,316 · App. 06/593,076
Heated titania oxygen sensor
Inventors:
Harry P. Wertheimer, Thomas A. Libsch, Jerome L. Pfeifer, Paul C. Becker
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Mar 26, 1984
Inventors
Harry P. Wertheimer
Thomas A. Libsch
Jerome L. Pfeifer
Paul C. Becker
Assignee (at issue)
ALLIED CONSULTING, 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.