Granted Patent
Utility
US 6,270,636 · App. 09/464,126
Integrated membrane and electrode support screen and protector ring for an electrochemical cell
Inventors:
Robert Byron, Trent M. Molter, Mark E. Dristy
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Dec 16, 1999
Inventors
Robert Byron
Trent M. Molter
Mark E. Dristy
Assignee (at issue)
PROTON ENERGY SYSTEMS, 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.