Granted Patent
Utility
US 5,673,089 · App. 08/679,652
Apparatus and method for channel scanning by theme
Inventors:
Henry C. Yuen, Elsie Y. Leung
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Jul 11, 1996
Inventors
Henry C. Yuen
Elsie Y. Leung
Assignee (at issue)
Gemstar Development 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.