Granted Patent
Utility
US 5,480,516 · App. 08/059,605
Electrolytic production of acid
Inventors:
Marek Lipsztajn, Gerald Cowley, Dana Gourley
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: May 12, 1993
Inventors
Marek Lipsztajn
Gerald Cowley
Dana Gourley
Assignee (at issue)
Sterling Pulp Chemicals, Ltd.
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.