Granted Patent
Utility
US 5,284,721 · App. 07/561,132
High energy electrochemical cell employing solid-state anode
Inventor:
Kirby W. Beard
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Aug 1, 1990
Inventor
Kirby W. Beard
Assignee (at issue)
Alliant Techsystems 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.