Granted Patent
Utility
US 5,894,320 · App. 08/654,901
Multi-channel television system with viewer-selectable video and audio
Inventor:
Paul D. Vancelette
Patented Case
View Patent ↗
Granted: Apr 13, 1999
Filed: May 29, 1996
Inventor
Paul D. Vancelette
Assignee (at issue)
General Instrument 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.