Granted Patent
Utility
US 6,808,690 · App. 09/924,106
Catalyst element for a stacked reactor and process for producing the catalyst element
Inventors:
Andreas Ebert, Oskar Lamla, Thomas Stefanovski
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Aug 8, 2001
Inventors
Andreas Ebert
Oskar Lamla
Thomas Stefanovski
Assignee (at issue)
BALLARD POWER SYSTEMS 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.