Granted Patent
Utility
US 6,165,635 · App. 09/418,556
Pt/Rh/Fe alloy catalyst for fuel cells and a process for producing the same
Inventors:
Emmanuel Auer, Gerhard Heinz, Thomas Lehmann, Robert Schwarz, Karl-Anton Starz
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Oct 14, 1999
Inventors
Emmanuel Auer
Gerhard Heinz
Thomas Lehmann
Robert Schwarz
Karl-Anton Starz
Assignee (at issue)
Degussa-Huels AG
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.