Granted Patent
Utility
US 6,781,349 · App. 10/262,100
Battery power source device
Inventors:
Kenji Kimura, Seiichi Uemoto, Takabumi Fujii
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Sep 30, 2002
Inventors
Kenji Kimura
Seiichi Uemoto
Takabumi Fujii
Assignee (at issue)
Matsushita Battery Industrial 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.