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Patent Assignment Details

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Reel/Frame:	019754/0242			Pages:	5
		Recorded:	08/28/2007
Attorney Dkt #:	331292-5
Conveyance:	RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).

Total properties: 17

Patent #:	4925464	Issue Dt:	05/15/1990	Application #:	07272626	Filing Dt:	11/17/1988
Title:	FLUID FLOW SWITCHING VALVE ASSEMBLY AND SYSTEM

Patent #:	5114441	Issue Dt:	05/19/1992	Application #:	07609186	Filing Dt:	11/02/1990
Title:	OXYGEN CONCENTRATOR SYSTEM AND VALVE STRUCTURE

Patent #:	5112367	Issue Dt:	05/12/1992	Application #:	07660177	Filing Dt:	02/25/1991
Title:	FLUID FRACTIONATOR

Patent #:	5268021	Issue Dt:	12/07/1993	Application #:	07835918	Filing Dt:	02/28/1992
Title:	FLUID FRACTIONATOR

Patent #:	5366541	Issue Dt:	11/22/1994	Application #:	08142614	Filing Dt:	10/25/1993
Title:	FLUID FRACTIONATOR

Patent #:	5593478	Issue Dt:	01/14/1997	Application #:	08314213	Filing Dt:	09/28/1994
Title:	FLUID FRACTIONATOR

Patent #:	5730778	Issue Dt:	03/24/1998	Application #:	08734203	Filing Dt:	10/21/1996
Title:	IMPROVED FLUID FRACTIONATOR

Patent #:	5979440	Issue Dt:	11/09/1999	Application #:	08876970	Filing Dt:	06/16/1997
Title:	METHODS AND APPARATUS TO GENERATE LIQUID AMBULATORY OXYGEN FROM AN OXYGEN CONCENTRATOR

Patent #:	6651653	Issue Dt:	11/25/2003	Application #:	09342890	Filing Dt:	06/29/1999
Title:	METHODS AND APPARATUS TO GENERATE LIQUID AMBULATORY OXYGEN FROM AN OXYGEN CONCENTRATOR

Patent #:	6681764	Issue Dt:	01/27/2004	Application #:	09343149	Filing Dt:	06/29/1999
Title:	METHODS AND APPARATUS TO GENERATE LIQUID AMBULATORY OXYGEN FROM AN OXYGEN CONCENTRATOR

Patent #:	6311719	Issue Dt:	11/06/2001	Application #:	09371464	Filing Dt:	08/10/1999
Title:	ROTARY VALVE ASSEMBLY FOR PRESSURE SWING ADSORPTION SYSTEM

Patent #:	6698423	Issue Dt:	03/02/2004	Application #:	09420892	Filing Dt:	10/19/1999
Title:	METHODS AND APPARATUS TO GENERATE LIQUID AMBULATORY OXYGEN FROM AN OXYGEN CONCENTRATOR

Patent #:	6651658	Issue Dt:	11/25/2003	Application #:	09632099	Filing Dt:	08/03/2000
Title:	PORTABLE OXYGEN CONCENTRATION SYSTEM AND METHOD OF USING THE SAME

Patent #:	6457485	Issue Dt:	10/01/2002	Application #:	09925146	Filing Dt:	08/08/2001
Publication #:	US20010047824	Pub Dt:	12/06/2001
Title:	ROTARY VALVE ASSEMBLY FOR PRESSURE SWING ADSORPTION SYSTEM

Patent #:	6471744	Issue Dt:	10/29/2002	Application #:	09931966	Filing Dt:	08/16/2001
Title:	VACUUM-PRESSURE SWING ABSORPTION FRACTIONATOR AND METHOD OF USING THE SAME

Patent #:	6629525	Issue Dt:	10/07/2003	Application #:	10105657	Filing Dt:	03/25/2002
Publication #:	US20020096174	Pub Dt:	07/25/2002
Title:	PORTABLE OXYGEN CONCENTRATION SYSTEM AND METHOD OF USING THE SAME

Patent #:	6691702	Issue Dt:	02/17/2004	Application #:	10134868	Filing Dt:	04/29/2002
Publication #:	US20030005928	Pub Dt:	01/09/2003
Title:	PORTABLE OXYGEN CONCENTRATION SYSTEM AND METHOD OF USING THE SAME

Assignor

Exec Dt:

08/20/2007

Assignee

11436 SORRENTO VALLEY ROAD

SAN DIEGO, CALIFORNIA 92121

Correspondence name and address
	DLA PIPER US LLP
	4365 EXECUTIVE DRIVE, SUITE 1100
	ATTN: KAREN JOHANSON
	SAN DIEGO, CA 92121

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