Granted Patent
Utility
US 4,474,345 · App. 06/403,678
Tandem fan series flow VSTOL propulsion system
Inventor:
Robert G. Musgrove
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Jul 30, 1982
Inventor
Robert G. Musgrove
Assignee (at issue)
LTV Aerospace and Defense Company
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.