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Patent Assignment Details

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Reel/Frame:	017906/0925			Pages:	5
		Recorded:	07/11/2006
Attorney Dkt #:	01922-72 POLK
Conveyance:	ADDENDUM TO COLLATERAL ASSIGNMENT

Total properties: 14

Patent #:	4569074	Issue Dt:	02/04/1986	Application #:	06616249	Filing Dt:	06/01/1984
Title:	METHOD AND APPARATUS FOR REPRODUCING SOUND HAVING A REALISTIC AMBIENT FIELD AND ACOUSTIC IMAGE

Patent #:	4630298	Issue Dt:	12/16/1986	Application #:	06739452	Filing Dt:	05/30/1985
Title:	METHOD AND APPARATUS FOR REPRODUCING SOUND HAVING A REALISTIC AMBIENT FIELD AND ACOUSTIC IMAGE

Patent #:	4638505	Issue Dt:	01/20/1987	Application #:	06769345	Filing Dt:	08/26/1985
Title:	OPTIMIZED LOW FREQUENCY RESPONSE OF LOUDSPEAKER SYSTEMS HAVING MAIN AND SUB-SPEAKERS

Patent #:	4759066	Issue Dt:	07/19/1988	Application #:	07054480	Filing Dt:	05/27/1987
Title:	SOUND SYSTEM WITH ISOLATION OF DIMENSIONAL SUB-SPEAKERS

Patent #:	D350135	Issue Dt:	08/30/1994	Application #:	07830189	Filing Dt:	01/31/1992
Title:	ENCLOSED SPEAKER FOR VEHICLE USE

Patent #:	D351839	Issue Dt:	10/25/1994	Application #:	07854268	Filing Dt:	03/20/1992
Title:	SPEAKER

Patent #:	D351388	Issue Dt:	10/11/1994	Application #:	07855348	Filing Dt:	03/23/1992
Title:	COMBINED SPEAKER AND INTEGRAL STAND

Patent #:	5517573	Issue Dt:	05/14/1996	Application #:	08294412	Filing Dt:	08/23/1994
Title:	PORTED LOUDSPEAKER SYSTEM AND METHOD WITH REDUCED AIR TURBULENCE

Patent #:	5475764	Issue Dt:	12/12/1995	Application #:	08294532	Filing Dt:	08/23/1994
Title:	BANDPASS WOOFER AND METHOD

Patent #:	5809154	Issue Dt:	09/15/1998	Application #:	08453557	Filing Dt:	05/26/1995
Title:	PORTED LOUDSPEAKER SYSTEM AND METHOD

Patent #:	5696357	Issue Dt:	12/09/1997	Application #:	08519365	Filing Dt:	08/25/1995
Title:	BASS-REFLEX LOUDSPEAKER

Patent #:	D357480	Issue Dt:	04/18/1995	Application #:	29006794	Filing Dt:	04/07/1993
Title:	EDGE SURROUND FOR SPEAKER

Patent #:	D384353	Issue Dt:	09/30/1997	Application #:	29050128	Filing Dt:	02/09/1996
Title:	LOUDSPEAKER

Patent #:	D387058	Issue Dt:	12/02/1997	Application #:	29063093	Filing Dt:	11/26/1996
Title:	LOUDSPEAKER

Assignor

Exec Dt:

07/05/2006

Assignee

222 NORTH LASALLE STREET

CHICAGO, ILLINOIS 60601

Correspondence name and address
	JAMES M. HEINTZ
	DLA PIPER RUDNICK GRAY CARY US LLP
	1200 NINETEENTH STREET NW
	WASHINGTON, DC 20036

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