Granted Patent
Utility
US 4,285,799 · App. 06/097,345
Electrodes for electrolytic processes, especially metal electrowinning
Inventors:
Vittorio de Nora, Antonio Nidola, Placido M. Spaziante
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Nov 26, 1979
Inventors
Vittorio de Nora
Antonio Nidola
Placido M. Spaziante
Assignee (at issue)
Diamond Shamrock Technologies S.A.
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.