Granted Patent
Utility
US 6,788,675 · App. 09/979,812
Method and apparatus for telecommunications using internet protocol
Inventor:
Jin Yang
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Nov 14, 2001
Inventor
Jin Yang
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.