Granted Patent
Utility
US 5,885,309 · App. 08/793,846
Method of manufacturing an electrochemical cell
Inventors:
Eric Franciscus Sitters, Frederik van Heuveln
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Mar 10, 1997
Inventors
Eric Franciscus Sitters
Frederik van Heuveln
Assignee (at issue)
STICHTING ENERGIEONDERZOEK CENTRUM NEDERLAND
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.