Granted Patent
Utility
US 6,683,913 · App. 09/476,748
Narrowband noise canceller
Inventor:
Amir Kantschuk
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Dec 30, 1999
Inventor
Amir Kantschuk
Assignee (at issue)
Tioga Technologies Ltd.
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.