Granted Patent
Utility
US 6,563,916 · App. 09/334,207
System for transmitting a change in call queued/hold state across a communications network
Inventors:
Douglas Anthony Deutsch, Donald Robert Rueckheim, David B. Smith
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jun 15, 1999
Inventors
Douglas Anthony Deutsch
Donald Robert Rueckheim
David B. Smith
Assignee (at issue)
LUCENT TECHNOLOGIES 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.