Granted Patent
Utility
US 4,985,126 · App. 07/299,108
Apparatus and process for continuously monitoring concentrations of gaseous components in gas mixtures, with exception of O.sub.2
Inventors:
Edelbert Haefele, Michael Kotter
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Jan 19, 1989
Inventors
Edelbert Haefele
Michael Kotter
Assignee (at issue)
Kernforschungszentrum Karlsruhe GmbH
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.