Granted Patent
Utility
US 5,963,620 · App. 08/866,686
Integrated communications control device for a small office configured for coupling within a scalable network including multiple simultaneous call capability
Inventors:
David P. Frankel, Maxim Ladonnikov, Christopher K. Koverman
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: May 30, 1997
Inventors
David P. Frankel
Maxim Ladonnikov
Christopher K. Koverman
Assignee (at issue)
Jetstream Communications, 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.