Granted Patent
Utility
US 6,285,767 · App. 09/148,222
Low-frequency audio enhancement system
Inventor:
Arnold I. Klayman
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Sep 4, 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.