Granted Patent
Utility
US 6,828,050 · App. 10/269,600
Fuel cell
Inventors:
Lijun Bai, Wade A. Huravitch, David R. Lott, Vanell L. Martin
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Oct 10, 2002
Inventors
Lijun Bai
Wade A. Huravitch
David R. Lott
Vanell L. Martin
Assignee (at issue)
ReliOn, 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.