Granted Patent
Utility
US 4,562,124 · App. 06/693,903
Air electrode material for high temperature electrochemical cells
Inventor:
Roswell J. Ruka
Patented Case
View Patent ↗
Granted: Dec 31, 1985
Filed: Jan 22, 1985
Inventor
Roswell J. Ruka
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.