Granted Patent
Utility
US 6,210,498 · App. 09/064,543
Hydrogen storage alloys and methods and improved nickel metal hydride electrodes and batteries using same
Inventors:
Stanford R. Ovshinsky, Rosa Young, Benjamin Chao
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Apr 22, 1998
Inventors
Stanford R. Ovshinsky
Rosa Young
Benjamin Chao
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.