Granted Patent
Utility
US 6,582,571 · App. 09/854,262
Diaphragm cell cathode structure
Inventors:
Richard L. Romine, Thomas F. Florkiewicz, John J. Jahn, Gerald R. Pohto
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: May 11, 2001
Inventors
Richard L. Romine
Thomas F. Florkiewicz
John J. Jahn
Gerald R. Pohto
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.