Granted Patent
Utility
US 5,865,980 · App. 08/883,061
Electrolysis with a inert electrode containing a ferrite, copper and silver
Inventors:
Siba P. Ray, Robert W. Woods, Robert K. Dawless, Robert B. Hosler
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Jun 26, 1997
Inventors
Siba P. Ray
Robert W. Woods
Robert K. Dawless
Robert B. Hosler
Assignee (at issue)
Aluminum Company of America
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.