Granted Patent
Utility
US 5,201,832 · App. 07/855,398
Integrated aerospike engine and aerobrake for a spacecraft
Inventors:
John W. Porter, Paul H. Sager, Jr.
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Mar 23, 1992
Inventors
John W. Porter
Paul H. Sager, Jr.
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.