Granted Patent
Utility
US 3,945,847 · App. 05/437,695
Coherent manganese dioxide electrodes, process for their production, and electrochemical cells utilizing them
Inventors:
Karl Kordesch, Akiya Kozawa
Patented Case
View Patent ↗
Granted: Mar 23, 1976
Filed: Jan 29, 1974
Inventors
Karl Kordesch
Akiya Kozawa
Assignee (at issue)
Union Carbide Corporation
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.