Granted Patent
Utility
US 4,530,743 · App. 06/539,522
Electrolysis cell
Inventor:
Oronzio deNora
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Oct 6, 1983
Inventor
Oronzio deNora
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.