Granted Patent
Utility
US 4,289,591 · App. 06/145,955
Oxygen evolution with improved Mn stabilized catalyst
Inventors:
Craig R. Davidson, John M. Sedlak
Patented Case
View Patent ↗
Granted: Sep 15, 1981
Filed: May 2, 1980
Inventors
Craig R. Davidson
John M. Sedlak
Assignee (at issue)
General Electric 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.