Granted Patent
Utility
US 6,828,057 · App. 10/134,756
Fuel cell with framed electrodes
Inventors:
Stanford R. Ovshinsky, Ana Menjak, Tom Hopper, Zdravko Menjak, Kevin Fok, Boyko Aladjov, Srinivasan Venkatesan, Subhash Dhar
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Apr 29, 2002
Inventors
Stanford R. Ovshinsky
Ana Menjak
Tom Hopper
Zdravko Menjak
Kevin Fok
Boyko Aladjov
Srinivasan Venkatesan
Subhash Dhar
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.