Granted Patent
Utility
US 5,485,485 · App. 08/227,045
Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites and hemispherical coverage antennas
Inventors:
Robert D. Briskman, John M. Seavey, Paul Medeiros
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Apr 13, 1994
Inventors
Robert D. Briskman
John M. Seavey
Paul Medeiros
Assignee (at issue)
CD Radio Inc.
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.