Granted Patent
Utility
US 4,339,313 · App. 06/154,707
Method of operating an electrolytic cell
Inventor:
Thomas A. Rechlicz
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: May 30, 1980
Inventor
Thomas A. Rechlicz
Assignee (at issue)
PPG Industries, Inc.
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.