Granted Patent
Utility
US 6,642,939 · App. 09/539,723
Multimedia schedule presentation system
Inventors:
Robert Vallone, Howard Look, Ain McKendrick, David A. Brown, Kyrie Robinson, Jeffrey Ma
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Mar 30, 2000
Inventors
Robert Vallone
Howard Look
Ain McKendrick
David A. Brown
Kyrie Robinson
Jeffrey Ma
Assignee (at issue)
TiVo Corporation
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.