Granted Patent
Utility
US 5,688,613 · App. 08/629,174
Electrochemical cell having a polymer electrolyte
Inventors:
Changming Li, Ke Keryn Lian, Florence Eschbach
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Apr 8, 1996
Inventors
Changming Li
Ke Keryn Lian
Florence Eschbach
Assignee (at issue)
Motorola, 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.