Granted Patent
Utility
US 5,185,221 · App. 07/832,108
Metal hydride electrode and electrochemical cell
Inventor:
Guy Rampel
Patented Case
View Patent ↗
Granted: Feb 9, 1993
Filed: Feb 6, 1992
Inventor
Guy Rampel
Assignee (at issue)
Gates Energy Products, 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.