Granted Patent
Utility
US 4,354,915 · App. 06/104,235
Low overvoltage hydrogen cathodes
Inventors:
John Z. O. Stachurski, Dirk Pouli, John Ripa, Gerald F. Pokrzyk
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Dec 17, 1979
Inventors
John Z. O. Stachurski
Dirk Pouli
John Ripa
Gerald F. Pokrzyk
Assignee (at issue)
Hooker Chemicals & Plastics 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.