Granted Patent
Utility
US 4,559,270 · App. 06/518,194
Oxidation prohibitive coatings for carbonaceous articles
Inventor:
Raymond V. Sara
Patented Case
View Patent ↗
Granted: Dec 17, 1985
Filed: Jul 28, 1983
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.