Granted Patent
Utility
US 6,821,663 · App. 10/635,446
Solid oxide regenerative fuel cell
Inventors:
James F. McElroy, Matthias Gottmann, John Finn, Fred Mitlitsky
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Aug 7, 2003
Inventors
James F. McElroy
Matthias Gottmann
John Finn
Fred Mitlitsky
Assignee (at issue)
Ion America Corporation
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.