Granted Patent
Utility
US 6,347,148 · App. 09/060,822
Method and apparatus for feedback reduction in acoustic systems, particularly in hearing aids
Inventors:
Robert L. Brennan, Anthony Todd Schneider
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Apr 16, 1998
Inventors
Robert L. Brennan
Anthony Todd Schneider
Assignee (at issue)
DSPFactory 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.