Granted Patent
Utility
US 5,734,786 · App. 08/176,216
Apparatus and methods for deriving a television guide from audio signals
Inventor:
Roy J. Mankovitz
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Dec 27, 1993
Inventor
Roy J. Mankovitz
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.