Granted Patent
Utility
US 4,526,613 · App. 06/588,411
Production of alloy steels using chemically prepared V.sub.2 O.sub.3 as a vanadium additive
Inventor:
Gloria M. Faulring
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Mar 12, 1984
Inventor
Gloria M. Faulring
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.