Granted Patent
Utility
US 5,978,835 · App. 08/659,949
Multimedia mail, conference recording and documents in video conferencing
Inventors:
Lester F. Ludwig, J. Chris Lauwers, Keith A. Lantz, Gerald J. Burnett, Emmett R. Burns
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jun 7, 1996
Inventors
Lester F. Ludwig
J. Chris Lauwers
Keith A. Lantz
Gerald J. Burnett
Emmett R. Burns
Assignee (at issue)
COLLABORATION PROPERTIES, INC.
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.