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NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:	025303/0681			Pages:	5
		Recorded:	11/12/2010
Attorney Dkt #:	WESTERN.000GEN
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Total properties: 40

Patent #:	6003606	Issue Dt:	12/21/1999	Application #:	08694910	Filing Dt:	08/09/1996
Title:	PULLER-THRUSTER DOWNHOLE TOOL

Patent #:	6230813	Issue Dt:	05/15/2001	Application #:	09213717	Filing Dt:	12/17/1998
Title:	METHOD OF MOVING A PULLER THRUSTER DOWNHOLE TOOL

Patent #:	6286592	Issue Dt:	09/11/2001	Application #:	09213952	Filing Dt:	12/17/1998
Title:	PULLER-THRUSTER DOWNHOLE TOOL

Patent #:	6347674	Issue Dt:	02/19/2002	Application #:	09453996	Filing Dt:	12/03/1999
Title:	ELECTRICALLY SEQUENCED TRACTOR

Patent #:	6241031	Issue Dt:	06/05/2001	Application #:	09466550	Filing Dt:	12/17/1999
Title:	ELECTRO-HYDRAULICALLY CONTROLLED TRACTOR

Patent #:	6367366	Issue Dt:	04/09/2002	Application #:	09599071	Filing Dt:	06/20/2000
Title:	Sensor assembly

Patent #:	6464003	Issue Dt:	10/15/2002	Application #:	09777421	Filing Dt:	02/06/2001
Publication #:	US20020104686	Pub Dt:	08/08/2002
Title:	GRIPPER ASSEMBLY FOR DOWNHOLE TRACTORS

Patent #:	6427786	Issue Dt:	08/06/2002	Application #:	09874836	Filing Dt:	06/05/2001
Publication #:	US20020007971	Pub Dt:	01/24/2002
Title:	ELECTRO-HYDRAULICALLY CONTROLLED TRACTOR

Patent #:	6478097	Issue Dt:	11/12/2002	Application #:	09916478	Filing Dt:	07/26/2001
Publication #:	US20020029908	Pub Dt:	03/14/2002
Title:	ELECTRICALLY SEQUENCED TRACTOR

Patent #:	6601652	Issue Dt:	08/05/2003	Application #:	09919669	Filing Dt:	07/31/2001
Title:	PULLER-THRUSTER DOWNHOLE TOOL

Patent #:	6715559	Issue Dt:	04/06/2004	Application #:	10004963	Filing Dt:	12/03/2001
Publication #:	US20030188875	Pub Dt:	10/09/2003
Title:	GRIPPER ASSEMBLY FOR DOWNHOLE TRACTORS

Patent #:	6679341	Issue Dt:	01/20/2004	Application #:	10004965	Filing Dt:	12/03/2001
Publication #:	US20020112859	Pub Dt:	08/22/2002
Title:	TRACTOR WITH IMPROVED VALVE SYSTEM

Patent #:	6640894	Issue Dt:	11/04/2003	Application #:	10268604	Filing Dt:	10/09/2002
Publication #:	US20030116356	Pub Dt:	06/26/2003
Title:	GRIPPER ASSEMBLY FOR DOWNHOLE TOOLS

Patent #:	6745854	Issue Dt:	06/08/2004	Application #:	10290069	Filing Dt:	11/05/2002
Publication #:	US20030121703	Pub Dt:	07/03/2003
Title:	ELECTRICALLY SEQUENCED TRACTOR

Patent #:	6758279	Issue Dt:	07/06/2004	Application #:	10624249	Filing Dt:	07/22/2003
Publication #:	US20040045719	Pub Dt:	03/11/2004
Title:	PULLER-THRUSTER DOWNHOLE TOOL

Patent #:	7048047	Issue Dt:	05/23/2006	Application #:	10690054	Filing Dt:	10/21/2003
Publication #:	US20050082055	Pub Dt:	04/21/2005
Title:	GRIPPER ASSEMBLY FOR DOWNHOLE TOOLS

Patent #:	7121364	Issue Dt:	10/17/2006	Application #:	10745400	Filing Dt:	12/23/2003
Publication #:	US20040168828	Pub Dt:	09/02/2004
Title:	TRACTOR WITH IMPROVED VALVE SYSTEM

Patent #:	7080700	Issue Dt:	07/25/2006	Application #:	10759664	Filing Dt:	01/19/2004
Publication #:	US20040144548	Pub Dt:	07/29/2004
Title:	TRACTOR WITH IMPROVED VALVE SYSTEM

Patent #:	7059417	Issue Dt:	06/13/2006	Application #:	10768434	Filing Dt:	01/30/2004
Publication #:	US20040182580	Pub Dt:	09/23/2004
Title:	PULLER-THRUSTER DOWNHOLE TOOL

Patent #:	6938708	Issue Dt:	09/06/2005	Application #:	10858540	Filing Dt:	05/28/2004
Publication #:	US20040245018	Pub Dt:	12/09/2004
Title:	ELECTRICALLY SEQUENCED TRACTOR

Patent #:	7392859	Issue Dt:	07/01/2008	Application #:	11083115	Filing Dt:	03/17/2005
Publication #:	US20050247488	Pub Dt:	11/10/2005
Title:	ROLLER LINK TOGGLE GRIPPER AND DOWNHOLE TRACTOR

Patent #:	7080701	Issue Dt:	07/25/2006	Application #:	11184309	Filing Dt:	07/18/2005
Publication #:	US20050252686	Pub Dt:	11/17/2005
Title:	ELECTRICALLY SEQUENCED TRACTOR

Patent #:	7156181	Issue Dt:	01/02/2007	Application #:	11329781	Filing Dt:	01/10/2006
Publication #:	US20060108151	Pub Dt:	05/25/2006
Title:	PULLER-THRUSTER DOWNHOLE TOOL

Patent #:	7185716	Issue Dt:	03/06/2007	Application #:	11415798	Filing Dt:	05/01/2006
Publication #:	US20060196696	Pub Dt:	09/07/2006
Title:	ELECTRICALLY SEQUENCED TRACTOR

Patent #:	7174974	Issue Dt:	02/13/2007	Application #:	11416001	Filing Dt:	05/01/2006
Publication #:	US20060196694	Pub Dt:	09/07/2006
Title:	ELECTRICALLY SEQUENCED TRACTOR

Patent #:	7343982	Issue Dt:	03/18/2008	Application #:	11417535	Filing Dt:	05/03/2006
Publication #:	US20070107943	Pub Dt:	05/17/2007
Title:	TRACTOR WITH IMPROVED VALVE SYSTEM

Patent #:	7191829	Issue Dt:	03/20/2007	Application #:	11418438	Filing Dt:	05/03/2006
Publication #:	US20060201716	Pub Dt:	09/14/2006
Title:	GRIPPER ASSEMBLY FOR DOWNHOLE TOOLS

Patent #:	7275593	Issue Dt:	10/02/2007	Application #:	11418449	Filing Dt:	05/03/2006
Publication #:	US20070017670	Pub Dt:	01/25/2007
Title:	GRIPPER ASSEMBLY FOR DOWNHOLE TOOLS

Patent #:	7273109	Issue Dt:	09/25/2007	Application #:	11418451	Filing Dt:	05/03/2006
Publication #:	US20070000697	Pub Dt:	01/04/2007
Title:	PULLER-THRUSTER DOWNHOLE TOOL

Patent #:	7188681	Issue Dt:	03/13/2007	Application #:	11418546	Filing Dt:	05/03/2006
Publication #:	US20070000693	Pub Dt:	01/04/2007
Title:	TRACTOR WITH IMPROVED VALVE SYSTEM

Patent #:	7624808	Issue Dt:	12/01/2009	Application #:	11683959	Filing Dt:	03/08/2007
Publication #:	US20070209806	Pub Dt:	09/13/2007
Title:	EXPANDABLE RAMP GRIPPER

Patent #:	7353886	Issue Dt:	04/08/2008	Application #:	11717467	Filing Dt:	03/12/2007
Publication #:	US20070151764	Pub Dt:	07/05/2007
Title:	TRACTOR WITH IMPROVED VALVE SYSTEM

Patent #:	7604060	Issue Dt:	10/20/2009	Application #:	11865676	Filing Dt:	10/01/2007
Publication #:	US20080078559	Pub Dt:	04/03/2008
Title:	GRIPER ASSEMBLY FOR DOWNHOLE TOOLS

Patent #:	7748476	Issue Dt:	07/06/2010	Application #:	11939375	Filing Dt:	11/13/2007
Publication #:	US20080149339	Pub Dt:	06/26/2008
Title:	VARIABLE LINKAGE ASSISTED GRIPPER

Patent #:	7493967	Issue Dt:	02/24/2009	Application #:	12044502	Filing Dt:	03/07/2008
Publication #:	US20080223616	Pub Dt:	09/18/2008
Title:	TRACTOR WITH IMPROVED VALVE SYSTEM

Patent #:	7607495	Issue Dt:	10/27/2009	Application #:	12046283	Filing Dt:	03/11/2008
Publication #:	US20080217059	Pub Dt:	09/11/2008
Title:	TRACTOR WITH IMPROVED VALVE SYSTEM

Patent #:	7770667	Issue Dt:	08/10/2010	Application #:	12139385	Filing Dt:	06/13/2008
Publication #:	US20080308318	Pub Dt:	12/18/2008
Title:	ELECTRICALLY POWERED TRACTOR

Patent #:	7607497	Issue Dt:	10/27/2009	Application #:	12165210	Filing Dt:	06/30/2008
Publication #:	US20090008152	Pub Dt:	01/08/2009
Title:	ROLLER LINK TOGGLE GRIPPER AND DOWNHOLE TRACTOR

Patent #:	8069917	Issue Dt:	12/06/2011	Application #:	12572916	Filing Dt:	10/02/2009
Publication #:	US20100212887	Pub Dt:	08/26/2010
Title:	GRIPPER ASSEMBLY FOR DOWNHOLE TOOLS

Patent #:	7954563	Issue Dt:	06/07/2011	Application #:	12605228	Filing Dt:	10/23/2009
Publication #:	US20100163251	Pub Dt:	07/01/2010
Title:	ROLLER LINK TOGGLE GRIPPER AND DOWNHOLE TRACTOR

Assignor

WESTERN WELL TOOL, INC.

Exec Dt:

03/02/2010

Assignee

WWT, INC.

1150 N. TUSTIN AVENUE

ANAHEIM, CALIFORNIA 92807

Correspondence name and address
	KNOBBE,MARTENS, OLSON & BEAR, LLP
	2040 MAIN STREET, 14TH FLOOR
	IRVINE, CA 92614

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