Granted Patent
Utility
US 5,350,996 · App. 07/973,695
Method and circuit for charging battery of portable apparatus
Inventor:
Takaaki Tauchi
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: Nov 9, 1992
Inventor
Takaaki Tauchi
Assignee (at issue)
NEC 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.