Granted Patent
Utility
US 4,853,044 · App. 07/144,697
Alloy suitable for making single crystal castings
Inventors:
David A. Ford, Anthony D. Hill, Ian Robert Pashby
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Jan 13, 1988
Inventors
David A. Ford
Anthony D. Hill
Ian Robert Pashby
Assignee (at issue)
ROLLS-ROYCE plc
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.