Granted Patent
Utility
US 4,614,569 · App. 06/644,726
Molten salt electrowinning method, anode and manufacture thereof
Inventors:
Jean-Jacques Duruz, Jean-Pierre Derivaz, Pierre E. Debely, Iudita L. Adorian
Patented Case
View Patent ↗
Granted: Sep 30, 1986
Filed: Aug 20, 1984
Inventors
Jean-Jacques Duruz
Jean-Pierre Derivaz
Pierre E. Debely
Iudita L. Adorian
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.