Granted Patent
Utility
US 6,780,347 · App. 10/066,938
Manganese oxide based electrode for alkaline electrochemical system and method of its production
Inventor:
Ernest Ndzebet
Patented Case
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Granted: Aug 24, 2004
Filed: Feb 4, 2002
Inventor
Ernest Ndzebet
Assignee (at issue)
Rayovac 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.