Granted Patent
Utility
US 4,407,909 · App. 06/286,218
Method for internally discharging an electrochemical cell
Inventor:
Franz Goebel
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Jul 23, 1981
Inventor
Franz Goebel
Assignee (at issue)
GTE Products 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.