Granted Patent
Utility
US 4,894,301 · App. 07/389,507
Battery containing solid protonically conducting electrolyte
Inventor:
Christopher K. Dyer
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Aug 3, 1989
Inventor
Christopher K. Dyer
Assignee (at issue)
Bell Communications Research, Inc.
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.