Granted Patent
Utility
US 6,703,156 · App. 10/264,760
Fuel cell cathode utilizing multiple redox couples
Inventors:
Stanford R. Ovshinsky, Srinivasan Venkatesan, Boyko Aladjov, Subhash Dhar, Kevin Fok, Thomas Hopper
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Oct 4, 2002
Inventors
Stanford R. Ovshinsky
Srinivasan Venkatesan
Boyko Aladjov
Subhash Dhar
Kevin Fok
Thomas Hopper
Assignee (at issue)
Texaco Ovonic Fuel Cell LLC
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.