Granted Patent
Utility
US 5,841,469 · App. 08/448,239
Audiovisual telecommunication method and apparatus using a digital network
Inventors:
Karen Freeman, Herman Joseph Pieters, Jack Andrew Pitman II
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: May 23, 1995
Inventors
Karen Freeman
Herman Joseph Pieters
Jack Andrew Pitman II
Assignees (at issue)
LUCENT TECHNOLOGIES INC.
Herman J. Pieters
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.