Granted Patent
Utility
US 6,780,533 · App. 09/733,133
Fuel cell having interdigitated flow channels and water transport plates
Inventors:
Jung S. Yi, Jonathan Puhalski
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Dec 8, 2000
Inventors
Jung S. Yi
Jonathan Puhalski
Assignee (at issue)
UTC Fuel Cells, LLC
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.