Granted Patent
Utility
US 4,414,088 · App. 06/304,108
Chlorate cell system
Inventor:
Joseph Ford
Patented Case
View Patent ↗
Granted: Nov 8, 1983
Filed: Sep 21, 1981
Inventor
Joseph Ford
Assignee (at issue)
ERCO Industries Limited
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.