Granted Patent
Utility
US 5,492,604 · App. 08/364,918
Coating composition for carbon electrodes
Inventor:
Siba P. Ray
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Dec 28, 1994
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.