Granted Patent
Utility
US 6,529,524 · App. 09/360,864
Computer program products, methods, and protocol for interworking services between a public telephone network, intelligent network, and internet protocol network
Inventors:
Monling Liao, Emad A. Qaddoura, Rambabu Tummala, Donald Wurch, Liem Le
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Jul 23, 1999
Inventors
Monling Liao
Emad A. Qaddoura
Rambabu Tummala
Donald Wurch
Liem Le
Assignee (at issue)
Nortel Networks Limited
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.