Granted Patent
Utility
US 6,808,844 · App. 10/106,048
Battery pack
Inventor:
Yukio Ehara
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Mar 27, 2002
Inventor
Yukio Ehara
Assignee (at issue)
GS-Melcotec 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.