Granted Patent
Utility
US 5,978,652 · App. 08/781,395
Common direct broadcasting service system
Inventors:
Douglas G. Burr, Troy Ellington
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jan 10, 1997
Inventors
Douglas G. Burr
Troy Ellington
Assignee (at issue)
Space Systems/Loral, LLC
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.