Granted Patent
Utility
US 6,019,879 · App. 09/044,736
Electrochemical gas sensor
Inventors:
Edmond Chu, Chang-Dong Feng, Richard Craig Brandt Bemis
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Mar 19, 1998
Inventors
Edmond Chu
Chang-Dong Feng
Richard Craig Brandt Bemis
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.