Granted Patent
Utility
US 5,923,738 · App. 08/901,763
System and method for retrieving internet data files using a screen-display telephone terminal
Inventors:
Raymond A. Cardillo, IV, Thomas J. Kredo
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Jul 29, 1997
Inventors
Raymond A. Cardillo, IV
Thomas J. Kredo
Assignee (at issue)
Nortel Networks Limited
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.