Granted Patent
Utility
US 5,980,709 · App. 08/973,086
Method of defining an electrode area
Inventors:
Alastair M. Hodges, Oddvar Johansen, Thomas William Beck
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Oct 10, 1997
Inventors
Alastair M. Hodges
Oddvar Johansen
Thomas William Beck
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.