Granted Patent
Utility
US 6,777,125 · App. 10/185,414
Fuel cell cathode with redox couple
Inventors:
Stanford Ovhsinsky, Srinivasan Venkatesan, Boyko Aladjov, Subhash Dhar, Kevin Fok, Thomas Hopper
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Jun 28, 2002
Inventors
Stanford Ovhsinsky
Srinivasan Venkatesan
Boyko Aladjov
Subhash Dhar
Kevin Fok
Thomas Hopper
Assignee (at issue)
Energy Conversion Devices, 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.