Granted Patent
Utility
US 4,722,183 · App. 07/054,134
Method for controlling the utilization of fluid bipropellant in a spacecraft rocket engine
Inventor:
Harold A. Rosen
Patented Case
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Granted: Feb 2, 1988
Filed: May 11, 1987
Inventor
Harold A. Rosen
Assignee (at issue)
Hughes Aircraft 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.