Granted Patent
Utility
US 5,740,231 · App. 08/307,517
Network-based multimedia communications and directory system and method of operation
Inventors:
Robert S. Cohn, Gregory M. Vaudreuil, Carl F. Schoeneberger, David M. Reece, Carlton C. O'Neal, Carl W. Kalbfleisch, Mark Whipple, James R. Swoopes, Alan T. Huch, Michael P. Dimitroff
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Sep 16, 1994
Inventors
Robert S. Cohn
Gregory M. Vaudreuil
Carl F. Schoeneberger
David M. Reece
Carlton C. O'Neal
Carl W. Kalbfleisch
Mark Whipple
James R. Swoopes
Alan T. Huch
Michael P. Dimitroff
Assignee (at issue)
Octel Communications 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.