Granted Patent
Utility
US 6,662,007 · App. 09/247,350
Cordless phone back link for interactive television system
Inventor:
Henry C. Yuen
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Feb 10, 1999
Inventor
Henry C. Yuen
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.