Granted Patent
Utility
US 6,771,772 · App. 09/350,497
Method and apparatus for fast network bulk delay and span estimation for line echo cancellation
Inventor:
Oguz Tanrikulu
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jul 9, 1999
Inventor
Oguz Tanrikulu
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.