Granted Patent
Utility
US 4,355,663 · App. 06/129,284
Nozzle/valve device for a ducted rocket motor
Inventors:
William M. Burkes, Jr., William H. Miller
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Mar 11, 1980
Inventors
William M. Burkes, Jr.
William H. Miller
Assignee (at issue)
HERCULES LLC
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.