Granted Patent
Utility
US 5,032,473 · App. 07/515,217
Electrochemical cathode
Inventor:
William H. Hoge
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: Apr 27, 1990
Inventor
William H. Hoge
Assignee (at issue)
Alupower, Inc.
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.