Granted Patent
Utility
US 6,281,749 · App. 08/877,439
Sound enhancement system
Inventors:
Arnold I. Klayman, Alan D. Kraemer
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Jun 17, 1997
Inventors
Arnold I. Klayman
Alan D. Kraemer
Assignee (at issue)
SRS Labs, 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.