Granted Patent
Utility
US 4,374,050 · App. 06/205,651
Inert electrode compositions
Inventor:
Siba P. Ray
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Nov 10, 1980
Inventor
Siba P. Ray
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.