Granted Patent
Utility
US 4,595,468 · App. 06/632,227
Cathode for electrolysis cell
Inventor:
James R. Brannan
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Jul 19, 1984
Inventor
James R. Brannan
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.