Granted Patent
Utility
US 5,372,687 · App. 08/106,666
Cathodic protection disk anode
Inventors:
Gerald R. Pohto, H. Kirk Fowler, Donald J. Groszek
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: Aug 16, 1993
Inventors
Gerald R. Pohto
H. Kirk Fowler
Donald J. Groszek
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.