Granted Patent
Utility
US 5,549,765 · App. 08/390,437
Clean single crystal nickel base superalloy
Inventors:
John R. Mihalisin, John Corrigan, Robert J. Baker, Eric L. Leonard, Jay L. Vandersluis
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: Feb 16, 1995
Inventors
John R. Mihalisin
John Corrigan
Robert J. Baker
Eric L. Leonard
Jay L. Vandersluis
Assignee (at issue)
HOWMET 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.