Granted Patent
Utility
US 4,343,689 · App. 06/057,255
Novel electrolysis cell
Inventors:
Oronzio de Nora, Placido M. Spaziante
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Jul 12, 1979
Inventors
Oronzio de Nora
Placido M. Spaziante
Assignee (at issue)
Oronzio deNora Impianti Elettrochimici S.p.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.