Granted Patent
Utility
US 4,301,980 · App. 05/974,589
Propulsion system for a V/STOL airplane
Inventors:
Ganey W. Bradfield, Glynn P. Cragin, Jr.
Patented Case
View Patent ↗
Granted: Nov 24, 1981
Filed: Dec 29, 1978
Inventors
Ganey W. Bradfield
Glynn P. Cragin, Jr.
Assignee (at issue)
General Dynamics Corporation
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.