Granted Patent
Utility
US 5,865,874 · App. 08/884,592
Hydrogen storage alloy
Inventor:
Philip Trainer
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Jun 27, 1997
Inventor
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.