Granted Patent
Utility
US 5,593,552 · App. 08/413,635
Device for electrochemical generation of gas
Inventors:
Ashok V. Joshi, John Howard Gordon
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Mar 30, 1995
Inventors
Ashok V. Joshi
John Howard Gordon
Assignee (at issue)
Ceramatec, 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.