Granted Patent
Utility
US 6,181,335 · App. 09/157,574
Card for a set top terminal
Inventors:
John S. Hendricks, Alfred E. Bonner, Eric C. Berkobin
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Sep 21, 1998
Inventors
John S. Hendricks
Alfred E. Bonner
Eric C. Berkobin
Assignee (at issue)
DISCOVERY COMMUNICATIONS, LLC
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.