Granted Patent
Utility
US 6,108,427 · App. 08/868,739
Method and apparatus for eliminating audio feedback
Inventors:
Elwood G. Norris, Jeevan G. Bank
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Jun 4, 1997
Inventors
Elwood G. Norris
Jeevan G. Bank
Assignee (at issue)
American Technology Corporation
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.