Granted Patent
Utility
US 6,473,559 · App. 09/654,856
Program guide system for recording television programs
Inventors:
Edward B. Knudson, Michael D. Ellis, William L. Thomas, Bruce L. Davis
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Sep 5, 2000
Inventors
Edward B. Knudson
Michael D. Ellis
William L. Thomas
Bruce L. Davis
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.