Granted Patent
Utility
US 6,661,200 · App. 10/102,029
Rechargeable power supply system and method of protection against abnormal charging
Inventor:
Shigefumi Odaohhara
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Mar 20, 2002
Inventor
Shigefumi Odaohhara
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.