Granted Patent
Utility
US 5,584,050 · App. 08/319,929
Program monitoring system
Inventor:
Michael Lyons
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: Oct 7, 1994
Inventor
Michael Lyons
Assignee (at issue)
A.C. Nielsen 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.