Granted Patent
Utility
US 4,567,103 · App. 06/628,516
Carbonaceous articles having oxidation prohibitive coatings thereon
Inventor:
Raymond V. Sara
Patented Case
View Patent ↗
Granted: Jan 28, 1986
Filed: Jul 12, 1984
Inventor
Raymond V. Sara
Assignee (at issue)
Union Carbide Corporation
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.