Granted Patent
Utility
US 6,442,755 · App. 09/227,358
Electronic program guide using markup language
Inventors:
Thomas R. Lemmons, Jon C. Zaring
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Jan 8, 1999
Inventors
Thomas R. Lemmons
Jon C. Zaring
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.