Granted Patent
Utility
US 6,817,097 · App. 10/105,693
Flat plate fuel cell cooler
Inventors:
David Bruce Sarraf, Joel T. Schwendemann
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Mar 25, 2002
Inventors
David Bruce Sarraf
Joel T. Schwendemann
Assignee (at issue)
Thermal Corp.
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.