Granted Patent
Utility
US 6,008,627 · App. 09/036,811
Overvoltage protection circuit for a battery pack
Inventor:
Izuru Narita
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Mar 9, 1998
Inventor
Izuru Narita
Assignee (at issue)
International Business Machines Corporation
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.