Granted Patent
Utility
US 6,154,501 · App. 09/243,910
Method and apparatus for combining transponders on multiple satellites into virtual channels
Inventor:
Robert Friedman
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Feb 3, 1999
Inventor
Robert Friedman
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.