Granted Patent
Utility
US 4,669,955 · App. 06/276,254
Axial flow turbines
Inventor:
Terence R. Pellow
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Jun 22, 1981
Inventor
Terence R. Pellow
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.