Granted Patent
Utility
US 5,129,599 · App. 07/529,298
Hybrid liquid-vapor propellant feed system for aerospace vehicles
Inventor:
Mark A. Wollen
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: May 25, 1990
Inventor
Mark A. Wollen
Assignee (at issue)
General Dynamics Corporation Space Systems Division
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.