Granted Patent
Utility
US 6,790,551 · App. 10/238,275
Modified redox couple fuel cell cathodes and fuel cells employing same
Inventors:
Srinivasan Venkatesan, Boyko Aladjov, Subhash Dhar, Stanford R. Ovshinsky
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Sep 10, 2002
Inventors
Srinivasan Venkatesan
Boyko Aladjov
Subhash Dhar
Stanford R. Ovshinsky
Assignee (at issue)
Texaco Ovonic Fuel Cell UC
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.