Granted Patent
Utility
US 5,900,183 · App. 08/787,167
Polymer electrolyte
Inventors:
Esam Kronfli, Christine Jarvis
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Jan 23, 1997
Inventors
Esam Kronfli
Christine Jarvis
Assignee (at issue)
AEA Technology PLC
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.