Granted Patent
Utility
US 4,678,113 · App. 06/827,397
Brush seals
Inventors:
Stuart A. Bridges, John D. Goddard
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: Feb 10, 1986
Inventors
Stuart A. Bridges
John D. Goddard
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.