Granted Patent
Utility
US 4,716,721 · App. 06/797,805
Improvements in or relating to gas turbine engines
Inventors:
George Pask, Peter Shaw
Patented Case
View Patent ↗
Granted: Jan 5, 1988
Filed: Nov 13, 1985
Inventors
George Pask
Peter Shaw
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.