Granted Patent
Utility
US 6,383,671 · App. 09/392,060
Gas humidification device for operation testing and evaluation of fuel cells
Inventors:
Craig C. Andrews, Mark J. Flusche, Donald P. Lyons
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Sep 8, 1999
Inventors
Craig C. Andrews
Mark J. Flusche
Donald P. Lyons
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.