Granted Patent
Utility
US 6,711,259 · App. 09/444,638
Method and apparatus for noise suppression and side-tone generation
Inventors:
Raziel Haimi-Cohen, Youhong Lu
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Nov 22, 1999
Inventors
Raziel Haimi-Cohen
Youhong Lu
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.