Granted Patent
Utility
US 6,810,249 · App. 09/664,940
Method and system of efficient spectrum utilization by communications satellites
Inventors:
Thomas Walsh, George Hrycenko, William J. Nunan, Adam Stone
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Sep 19, 2000
Inventors
Thomas Walsh
George Hrycenko
William J. Nunan
Adam Stone
Assignee (at issue)
DIRECTV, 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.