Granted Patent
Utility
US 5,884,039 · App. 08/660,418
System for providing a directory of AV devices and capabilities and call processing such that each participant participates to the extent of capabilities available
Inventors:
Lester F. Ludwig, J. Chris Lauwers, Keith A. Lantz, Gerald J. Burnett, Emmett R. Burns
Patented Case
View Patent ↗
Granted: Mar 16, 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.