Granted Patent
Utility
US 4,743,318 · App. 06/910,887
Carburization/oxidation resistant worked alloy
Inventors:
John J. Fischer, Gaylord D. Smith
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Sep 24, 1986
Inventors
John J. Fischer
Gaylord D. Smith
Assignee (at issue)
INCO Alloys International, Inc.
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.