Granted Patent
Utility
US 4,702,971 · App. 06/867,860
Sulfur tolerant composite cermet electrodes for solid oxide electrochemical cells
Inventor:
Arnold O. Isenberg
Patented Case
View Patent ↗
Granted: Oct 27, 1987
Filed: May 28, 1986
Inventor
Arnold O. Isenberg
Assignee (at issue)
Westinghouse Electric Company LLC
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.