Granted Patent
Utility
US 6,497,974 · App. 09/864,526
Fuel cell power system, method of distributing power, and method of operating a fuel cell power system
Inventor:
William A. Fuglevand
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: May 23, 2001
Inventor
William A. Fuglevand
Assignee (at issue)
Avista Laboratories, 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.