Granted Patent
Utility
US 5,601,951 · App. 08/601,980
Rechargeable lithium ion cell
Inventors:
Arden P. Johnson, Carl R. Schlaikjer
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Feb 15, 1996
Inventors
Arden P. Johnson
Carl R. Schlaikjer
Assignee (at issue)
Battery Engineering, 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.