Granted Patent
Utility
US 6,429,626 · App. 09/569,902
Battery pack
Inventors:
Chiho Konno, Bunya Sato
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: May 11, 2000
Inventors
Chiho Konno
Bunya Sato
Assignee (at issue)
SONY GROUP CORPORATION
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.