Granted Patent
Utility
US 6,175,213 · App. 09/506,912
Safety device for lithium-ion-polymer battery
Inventors:
John A. Centa, Frough K. Shokoohi
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Feb 18, 2000
Inventors
John A. Centa
Frough K. Shokoohi
Assignee (at issue)
NTK Powerdex, Inc.
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.