Granted Patent
Utility
US 6,760,427 · App. 09/894,047
Computer telephony (CT) network serving multiple telephone switches
Inventors:
Laura S. Schultz, Mark Dancho, David Mello
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Jun 28, 2001
Inventors
Laura S. Schultz
Mark Dancho
David Mello
Assignee (at issue)
Inter-Tel, 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.