Granted Patent
Utility
US 3,970,473 · App. 05/586,220
Solid state electrochemical cell
Inventors:
Walter L. Roth, Gregory C. Farrington
Patented Case
View Patent ↗
Granted: Jul 20, 1976
Filed: Jun 12, 1975
Inventors
Walter L. Roth
Gregory C. Farrington
Assignee (at issue)
General Electric Company
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.