Granted Patent
Utility
US 5,949,233 · App. 08/862,626
Circuit for detecting overcharging and overdischarging
Inventor:
Takeshi Mashiko
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: May 23, 1997
Inventor
Takeshi Mashiko
Assignee (at issue)
SEIKO INSTRUMENTS 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.