Granted Patent
Utility
US 6,836,547 · App. 10/027,158
Protecting an echo canceller against random transitions in echo paths
Inventor:
Mansour Tahernezhaadi
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Dec 20, 2001
Inventor
Mansour Tahernezhaadi
Assignee (at issue)
MOTOROL, 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.