Granted Patent
Utility
US 5,907,232 · App. 08/851,095
Battery with charge control circuitry
Inventor:
Ivan Nelson Wakefield
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: May 5, 1997
Inventor
Ivan Nelson Wakefield
Assignee (at issue)
ERICSSON GMBH
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.