Granted Patent
Utility
US 5,330,861 · App. 07/879,823
Metal hydride cells having improved cycle life and charge retention
Inventors:
Michael A. Fetcenko, Stanford R. Ovshinsky
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: May 7, 1992
Inventors
Michael A. Fetcenko
Stanford R. Ovshinsky
Assignee (at issue)
Ovonic Battery Company, 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.