Granted Patent
Utility
US 6,773,847 · App. 10/049,041
Battery
Inventors:
Shigeo Komatsu, Yasushi Harada, Masaaki Nishida
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Feb 7, 2002
Inventors
Shigeo Komatsu
Yasushi Harada
Masaaki Nishida
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.