Granted Patent
Utility
US 4,355,085 · App. 06/286,212
Electrochemical cell
Inventor:
Franz Goebel
Patented Case
View Patent ↗
Granted: Oct 19, 1982
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.