Granted Patent
Utility
US 5,308,553 · App. 07/744,714
Metal hydride compositions and methods
Inventor:
Ignacio Cisneros
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: Aug 14, 1991
Inventor
Ignacio Cisneros
Assignee (at issue)
Swan Industries, 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.