Granted Patent
Utility
US 4,823,341 · App. 06/896,982
Satellite communications system having frequency addressable high gain downlink beams
Inventor:
Harold A. Rosen
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Aug 14, 1986
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.