Granted Patent
Utility
US 5,589,755 · App. 08/392,658
Method and apparatus for charging a secondary battery
Inventors:
Osamu Kaite, Tatsuya Okada, Toshiharu Kokuga
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Feb 23, 1995
Inventors
Osamu Kaite
Tatsuya Okada
Toshiharu Kokuga
Assignee (at issue)
SANYO ELECTRIC CO., LTD.
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.