Granted Patent
Utility
US 5,840,440 · App. 08/560,612
Hydrogen storage materials having a high density of non-conventional useable hydrogen storing sites
Inventors:
Stanford R. Ovshinsky, Michael A. Fetcenko, Jun Im, Kwo Young, Benjamin Chao, Benjamin Reichman
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Nov 20, 1995
Inventors
Stanford R. Ovshinsky
Michael A. Fetcenko
Jun Im
Kwo Young
Benjamin Chao
Benjamin Reichman
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.