Granted Patent
Utility
US 6,411,343 · App. 09/322,767
Smart-channel: learning-capable television channel changing apparatus, system and method
Inventors:
Douglas B. Macrae, Kenneth S. Hancock
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: May 21, 1999
Inventors
Douglas B. Macrae
Kenneth S. Hancock
Assignee (at issue)
E Guide, 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.