Granted Patent
Utility
US 5,768,263 · App. 08/546,276
Method for talk/listen determination and multipoint conferencing system using such method
Inventors:
Paul V. Tischler, Bill Clements
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Oct 20, 1995
Inventors
Paul V. Tischler
Bill Clements
Assignee (at issue)
VTEL Corporation
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.