Granted Patent
Utility
US 4,667,907 · App. 06/672,656
Space based orbit transfer vehicle
Inventors:
Edward J. Hujsak, LeRoy E. Siden
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Nov 19, 1984
Inventors
Edward J. Hujsak
LeRoy E. Siden
Assignee (at issue)
General Dynamics Corporation, Convair 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.