Granted Patent
Utility
US 4,391,695 · App. 06/231,165
Coated metal anode or the electrolytic recovery of metals
Inventors:
Konrad Koziol, Erich Wenk
Patented Case
View Patent ↗
Granted: Jul 5, 1983
Filed: Feb 3, 1981
Inventors
Konrad Koziol
Erich Wenk
Assignee (at issue)
Conradty GmbH & Co. Metalleletroden KG
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.