Granted Patent
Utility
US 5,954,928 · App. 08/634,355
Activated cathode and method for manufacturing the same
Inventors:
Takamichi Kishi, Osamu Arimoto
Patented Case
View Patent ↗
Granted: Sep 21, 1999
Filed: Apr 18, 1996
Inventors
Takamichi Kishi
Osamu Arimoto
Assignee (at issue)
CHLORINE ENGINEERS CORP., 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.