Granted Patent
Utility
US 4,798,633 · App. 06/911,474
Nickel-base alloy heat treatment
Inventors:
James M. Martin, James R. Crum, William L. Mankins, Jeffrey M. Sarver
Patented Case
View Patent ↗
Granted: Jan 17, 1989
Filed: Sep 25, 1986
Inventors
James M. Martin
James R. Crum
William L. Mankins
Jeffrey M. Sarver
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.