Granted Patent
Utility
US 4,543,174 · App. 06/628,533
Method of making a catalytic lead-based oxygen evolving anode
Inventors:
Henri B. Beer, Michael Katz, Jean M. Hinden
Patented Case
View Patent ↗
Granted: Sep 24, 1985
Filed: Jul 6, 1984
Inventors
Henri B. Beer
Michael Katz
Jean M. Hinden
Assignee (at issue)
Eltech Systems 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.