Granted Patent
Utility
US 6,708,335 · App. 09/376,631
Tracking viewing behavior of advertisements on a home entertainment system
Inventors:
Stuart Ozer, Timothy F. Park, Daniel J. Zigmond, Michael A. Killianey
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Aug 18, 1999
Inventors
Stuart Ozer
Timothy F. Park
Daniel J. Zigmond
Michael A. Killianey
Assignee (at issue)
WebTV Networks, 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.