IP Library › Granted Patent US 4,693,074
Granted Patent Utility
US 4,693,074 · App. 06/865,648

Combustion apparatus for a gas turbine engine

Inventors: Anthony Pidcock, Andrew P. Wray
Patented Case View Patent ↗
Granted: Sep 15, 1987 Filed: May 16, 1986
Inventors
Anthony Pidcock
Andrew P. Wray
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,693,074
App. No.
06/865,648
Filed
1986-05-16
Granted
1987-09-15
Kind
A