Granted Patent
Utility
US 5,928,812 · App. 08/929,486
High performance lithium ion polymer cells and batteries
Inventor:
Jiayu Simon Xue
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Sep 15, 1997
Inventor
Jiayu Simon Xue
Assignee (at issue)
Ultralife Batteries, 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.