Granted Patent
Utility
US 6,835,489 · App. 10/219,788
Double layer oxygen electrode and method of making
Inventors:
Srinivasan Venkatesan, Hong Wang, Boyko Aladjov, Subhash Dhar, Stanford R. Ovshinsky
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Aug 15, 2002
Inventors
Srinivasan Venkatesan
Hong Wang
Boyko Aladjov
Subhash Dhar
Stanford R. Ovshinsky
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.