Granted Patent
Utility
US 4,584,172 · App. 06/596,020
Method of making composition suitable for use as inert electrode having good electrical conductivity and mechanical properties
Inventors:
Siba P. Ray, Robert A. Rapp
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: May 3, 1984
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.