Granted Patent
Utility
US 5,926,361 · App. 08/880,754
High power density double layer energy storage devices
Inventor:
John A. Alford
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Jun 23, 1997
Inventor
John A. Alford
Assignee (at issue)
Westvaco Corporation
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.