Granted Patent
Utility
US 4,872,015 · App. 06/936,301
Satellite communications system for mobile users
Inventor:
Harold A. Rosen
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Dec 1, 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.