Granted Patent
Utility
US 6,385,176 · App. 09/090,733
Communication system based on echo canceler tap profile
Inventors:
Vasu Iyengar, James Charles Popa
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Jun 4, 1998
Inventors
Vasu Iyengar
James Charles Popa
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.