Granted Patent
Utility
US 6,597,791 · App. 09/211,953
Audio enhancement system
Inventor:
Arnold I. Klayman
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Dec 15, 1998
Inventor
Arnold I. Klayman
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.