Granted Patent
Utility
US 6,783,891 · App. 10/664,016
Fuel cell cathode with redox couple
Inventors:
Stanford R. Ovshinsky, Srinivasan Venkatesan, Boyko Aladjov, Subhash Dhar, Kevin Fok, Thomas Hopper
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Sep 16, 2003
Inventors
Stanford R. Ovshinsky
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.