Granted Patent
Utility
US 6,144,998 · App. 09/056,590
Subscriber system for interactive interfacing with broadcast information
Inventor:
Michael J. Pisterzi
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Apr 7, 1998
Inventor
Michael J. Pisterzi
Assignee (at issue)
Alcatel USA Sourcing, L.P.
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.