Granted Patent
Utility
US 6,798,441 · App. 09/865,840
Teleconference system with personal presence cells
Inventors:
Davis H. Hartman, Fred V. Richard, Diana Chen, Karen E. Jachimowicz, Barbara McNeill Foley, William M. Peterson, Earnest J. Johnson
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: May 25, 2001
Inventors
Davis H. Hartman
Fred V. Richard
Diana Chen
Karen E. Jachimowicz
Barbara McNeill Foley
William M. Peterson
Earnest J. Johnson
Assignee (at issue)
Motorola, 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.