Granted Patent
Utility
US 4,298,178 · App. 06/111,113
Roving geosynchronous orbit satellite maintenance system
Inventor:
Edward J. Hujsak
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: Jan 10, 1980
Inventor
Edward J. Hujsak
Assignee (at issue)
General Dynamics Corporation
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.