Granted Patent
Utility
US 4,352,768 · App. 06/093,572
Fiber reinforced cathode for electrochemical cell
Inventor:
James Epstein
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Nov 13, 1979
Inventor
James Epstein
Assignee (at issue)
GTE Laboratories Incorporated
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.