Granted Patent
Utility
US 4,455,211 · App. 06/483,693
Composition suitable for inert electrode
Inventors:
Siba P. Ray, Robert A. Rapp
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Apr 11, 1983
Inventors
Siba P. Ray
Robert A. Rapp
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.