Granted Patent
Utility
US 6,585,869 · App. 09/835,502
Means of maintaining compression of the active area in an electrochemical cell
Inventors:
Jason Shiepe, Mark E. Dristy, Trent M. Molter, Lawrence Moulthrop
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Apr 16, 2001
Inventors
Jason Shiepe
Mark E. Dristy
Trent M. Molter
Lawrence Moulthrop
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.