Granted Patent
Utility
US 6,733,913 · App. 10/119,380
Fuel cell system for low pressure operation
Inventors:
Alan J. Cisar, Dacong Weng, Oliver J. Murphy
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Apr 9, 2002
Inventors
Alan J. Cisar
Dacong Weng
Oliver J. Murphy
Assignee (at issue)
Lynntech, 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.