Granted Patent
Utility
US 4,879,711 · App. 07/108,831
Satellite communications system employing frequency reuse
Inventor:
Harold A. Rosen
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Oct 14, 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.