Granted Patent
Utility
US 6,536,041 · App. 09/229,047
Program guide system with real-time data sources
Inventors:
Edward B. Knudson, David M. Rudnick, Michael D. Ellis, Daniel C. Hagenbuch, Joel G. Hassell, Robert A. Knee, Steven J. Reynolds
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Jan 12, 1999
Inventors
Edward B. Knudson
David M. Rudnick
Michael D. Ellis
Daniel C. Hagenbuch
Joel G. Hassell
Robert A. Knee
Steven J. Reynolds
Assignee (at issue)
United Video Properties, 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.