Granted Patent
Utility
US 6,051,956 · App. 08/866,621
Rechargeable battery pack with pre-end signal output terminal and electronic device containing rechargeable battery pack
Inventor:
Takao Nakashimo
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: May 30, 1997
Inventor
Takao Nakashimo
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.