Granted Patent
Utility
US 5,572,246 · App. 08/486,511
Method and apparatus for producing a signature characterizing an interval of a video signal while compensating for picture edge shift
Inventors:
Michael D. Ellis, Stephen M. Dunn, Michael W. Fellinger, Fancy B. Younglove, David M. James, David L. Clifton, Richard S. Land
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: Jun 7, 1995
Inventors
Michael D. Ellis
Stephen M. Dunn
Michael W. Fellinger
Fancy B. Younglove
David M. James
David L. Clifton
Richard S. Land
Assignee (at issue)
Arbitron 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.