Granted Patent
Utility
US 6,764,591 · App. 10/061,116
Potentiometric sensors comprising yttria-stabilized zirconia and measurement method of total NOx sensing without CO interference
Inventors:
Prabir K. Dutta, Nicholas F. Szabo
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Feb 1, 2002
Inventors
Prabir K. Dutta
Nicholas F. Szabo
Assignee (at issue)
OHIO STATE UNIVERSITY
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.