Granted Patent
Utility
US 6,060,185 · App. 08/960,377
Protective device for secondary batteries
Inventor:
Tadashi Okutoh
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Oct 29, 1997
Inventor
Tadashi Okutoh
Assignee (at issue)
Nippon Moli Energy Corp.
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.