Granted Patent
Utility
US 6,019,955 · App. 08/614,779
Active nickel hydroxide material having controlled water content
Inventors:
Stanford R. Ovshinsky, Rosa Young, Liwei Xu, Suresh Kumar
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Mar 8, 1996
Inventors
Stanford R. Ovshinsky
Rosa Young
Liwei Xu
Suresh Kumar
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.