Granted Patent
Utility
US 6,284,125 · App. 08/981,385
Electrochemical cell
Inventors:
Alastair M. Hodges, Thomas William Beck, Oddvar Johansen
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Apr 17, 1998
Inventors
Alastair M. Hodges
Thomas William Beck
Oddvar Johansen
Assignee (at issue)
USF Filtration and Separations Group, 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.