Granted Patent
Utility
US 6,599,653 · App. 09/858,165
Molded fuel cell plates with seals
Inventors:
Dale T. Cummins, David Alsip, Joe B. Darke, Jack A. Kummerow
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: May 15, 2001
Inventors
Dale T. Cummins
David Alsip
Joe B. Darke
Jack A. Kummerow
Assignee (at issue)
DANA LIMITED
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.