Granted Patent
Utility
US 5,538,611 · App. 08/379,493
Planar, flow-through, electric, double-layer capacitor and a method of treating liquids with the capacitor
Inventor:
Toshiro Otowa
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Jan 27, 1995
Inventor
Toshiro Otowa
Assignee (at issue)
Marc D. Andelman
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.