Granted Patent
Utility
US 6,211,921 · App. 08/772,080
User interface for television
Inventors:
Lisa Carolyn Cherian, Robert A. Lambourne, Guy J. Roberts
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Dec 20, 1996
Inventors
Lisa Carolyn Cherian
Robert A. Lambourne
Guy J. Roberts
Assignee (at issue)
Philips Electronics North America 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.