Granted Patent
Utility
US 5,690,808 · App. 08/591,886
Electrochemical gas sensors and methods for sensing electrochemical active gases in gas mixtures
Inventors:
Naim Akmal, Yining Zhang
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Jan 25, 1996
Inventors
Naim Akmal
Yining Zhang
Assignee (at issue)
Teledyne Industries, 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.