Granted Patent
Utility
US 5,708,478 · App. 08/670,903
Computer system for enabling radio listeners/television watchers to obtain advertising information
Inventor:
Bruce Tognazzini
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: Jun 26, 1996
Inventor
Bruce Tognazzini
Assignee (at issue)
Sun Microsystems 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.