Granted Patent
Utility
US 4,742,684 · App. 06/660,556
Fuel vaporizers for a gas turbine engine combustion engine
Inventor:
Arthur Sotheran
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Oct 15, 1984
Inventor
Arthur Sotheran
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.