Granted Patent
Utility
US 6,074,783 · App. 08/978,699
Hydrogen storage alloys for use in rechargeable electrochemical cells, and methods of producing them
Inventors:
Mark Gaydos, Philip Trainer
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Dec 4, 1997
Inventors
Mark Gaydos
Philip Trainer
Assignee (at issue)
Duracell 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.