Granted Patent
Utility
US 5,223,924 · App. 07/889,201
System and method for automatically correlating user preferences with a T.V. program information database
Inventor:
Hugo J. Strubbe
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: May 27, 1992
Inventor
Hugo J. Strubbe
Assignee (at issue)
North American Philips 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.