Granted Patent
Utility
US 5,145,566 · App. 07/465,592
Method for determining relative amount of oxygen containing gas in a gas mixture
Inventors:
Eleftherios M. Logothetis, Richard E. Soltis
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Jan 18, 1990
Inventors
Eleftherios M. Logothetis
Richard E. Soltis
Assignee (at issue)
Ford Motor Company
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.