Granted Patent
Utility
US 6,326,103 · App. 09/274,834
Sealed storage battery and modular system therefor
Inventors:
Isao Ido, Takashi Nakajima
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Mar 23, 1999
Inventors
Isao Ido
Takashi Nakajima
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.