Granted Patent
Utility
US 4,668,262 · App. 06/814,838
Protective coating for refractory metal substrates
Inventor:
Subhash S. Kithany
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Dec 30, 1985
Inventor
Subhash S. Kithany
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.