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Reel/Frame:	021701/0758			Pages:	11
		Recorded:	10/20/2008
Attorney Dkt #:	0024221-00004
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 90

Patent #:	6367565	Issue Dt:	04/09/2002	Application #:	09049218	Filing Dt:	03/27/1998
Title:	MEANS FOR DETECTING SUBTERRANEAN FORMATIONS AND MONITORING THE OPERATION OF A DOWN-HOLE FLUID DRIVEN PERCUSSIVE PISTON

Patent #:	6253864	Issue Dt:	07/03/2001	Application #:	09131592	Filing Dt:	08/10/1998
Title:	PERCUSSIVE SHEARING DRILL BIT

Patent #:	7147965	Issue Dt:	12/12/2006	Application #:	10453290	Filing Dt:	06/03/2003
Publication #:	US20040248000	Pub Dt:	12/09/2004
Title:	PRESSURE-BALANCED BATTERY FOR DOWNHOLE TOOLS

Patent #:	7147965	Issue Dt:	12/12/2006	Application #:	10453290	Filing Dt:	06/03/2003
Publication #:	US20040248000	Pub Dt:	12/09/2004
Title:	PRESSURE-BALANCED BATTERY FOR DOWNHOLE TOOLS

Patent #:	7105249	Issue Dt:	09/12/2006	Application #:	10633819	Filing Dt:	08/04/2003
Publication #:	US20040248001	Pub Dt:	12/09/2004
Title:	PRESSURE-COMPENSATED DOWNHOLE BATTERY

Patent #:	7105249	Issue Dt:	09/12/2006	Application #:	10633819	Filing Dt:	08/04/2003
Publication #:	US20040248001	Pub Dt:	12/09/2004
Title:	PRESSURE-COMPENSATED DOWNHOLE BATTERY

Patent #:	NONE	Issue Dt:		Application #:	10931864	Filing Dt:	09/01/2004
Publication #:	US20060044940	Pub Dt:	03/02/2006
Title:	High-speed, downhole, seismic measurement system

Patent #:	NONE	Issue Dt:		Application #:	10965563	Filing Dt:	10/13/2004
Publication #:	US20060077757	Pub Dt:	04/13/2006
Title:	Apparatus and method for seismic measurement-while-drilling

Patent #:	NONE	Issue Dt:		Application #:	10982478	Filing Dt:	11/05/2004
Publication #:	US20060100968	Pub Dt:	05/11/2006
Title:	Method for distributing electrical power to downhole tools

Patent #:	7190084	Issue Dt:	03/13/2007	Application #:	10982612	Filing Dt:	11/05/2004
Publication #:	US20060113803	Pub Dt:	06/01/2006
Title:	METHOD AND APPARATUS FOR GENERATING ELECTRICAL ENERGY DOWNHOLE

Patent #:	7190084	Issue Dt:	03/13/2007	Application #:	10982612	Filing Dt:	11/05/2004
Publication #:	US20060113803	Pub Dt:	06/01/2006
Title:	METHOD AND APPARATUS FOR GENERATING ELECTRICAL ENERGY DOWNHOLE

Patent #:	7308795	Issue Dt:	12/18/2007	Application #:	11008467	Filing Dt:	12/08/2004
Publication #:	US20060117759	Pub Dt:	06/08/2006
Title:	METHOD AND SYSTEM FOR COOLING ELECTRICAL COMPONENTS DOWNHOLE

Patent #:	7308795	Issue Dt:	12/18/2007	Application #:	11008467	Filing Dt:	12/08/2004
Publication #:	US20060117759	Pub Dt:	06/08/2006
Title:	METHOD AND SYSTEM FOR COOLING ELECTRICAL COMPONENTS DOWNHOLE

Patent #:	7277026	Issue Dt:	10/02/2007	Application #:	11133905	Filing Dt:	05/21/2005
Publication #:	US20060260797	Pub Dt:	11/23/2006
Title:	DOWNHOLE COMPONENT WITH MULTIPLE TRANSMISSION ELEMENTS

Patent #:	7424928	Issue Dt:	09/16/2008	Application #:	11162503	Filing Dt:	09/13/2005
Publication #:	US20070056794	Pub Dt:	03/15/2007
Title:	APPARATUS, SYSTEM AND METHOD FOR FLEXIBLY COUPLING SENSORS TO A DOWNHOLE TOOL

Patent #:	7252174	Issue Dt:	08/07/2007	Application #:	11162505	Filing Dt:	09/13/2005
Publication #:	US20070056795	Pub Dt:	03/15/2007
Title:	DOWNHOLE SEISMIC-SONIC RECEIVER

Patent #:	7270196	Issue Dt:	09/18/2007	Application #:	11164391	Filing Dt:	11/21/2005
Publication #:	US20070114065	Pub Dt:	05/24/2007
Title:	DRILL BIT ASSEMBLY

Patent #:	7377315	Issue Dt:	05/27/2008	Application #:	11164572	Filing Dt:	11/29/2005
Publication #:	US20070119589	Pub Dt:	05/31/2007
Title:	COMPLAINT COVERING OF A DOWNHOLE COMPONENT

Patent #:	7337858	Issue Dt:	03/04/2008	Application #:	11277380	Filing Dt:	03/24/2006
Publication #:	US20070114066	Pub Dt:	05/24/2007
Title:	A DRILL BIT ASSEMBLY ADAPTED TO PROVIDE POWER DOWNHOLE

Patent #:	7398837	Issue Dt:	07/15/2008	Application #:	11277394	Filing Dt:	03/24/2006
Publication #:	US20070114062	Pub Dt:	05/24/2007
Title:	DRILL BIT ASSEMBLY WITH A LOGGING DEVICE

Patent #:	7426968	Issue Dt:	09/23/2008	Application #:	11278935	Filing Dt:	04/06/2006
Publication #:	US20070114061	Pub Dt:	05/24/2007
Title:	DRILL BIT ASSEMBLY WITH A PROBE

Patent #:	7198119	Issue Dt:	04/03/2007	Application #:	11306022	Filing Dt:	12/14/2005
Title:	HYDRAULIC DRILL BIT ASSEMBLY

Patent #:	7225886	Issue Dt:	06/05/2007	Application #:	11306307	Filing Dt:	12/22/2005
Publication #:	US20070114067	Pub Dt:	05/24/2007
Title:	DRILL BIT ASSEMBLY WITH AN INDENTING MEMBER

Patent #:	7360610	Issue Dt:	04/22/2008	Application #:	11306976	Filing Dt:	01/18/2006
Publication #:	US20070114068	Pub Dt:	05/24/2007
Title:	DRILL BIT ASSEMBLY FOR DIRECTIONAL DRILLING

Patent #:	NONE	Issue Dt:		Application #:	11307196	Filing Dt:	01/26/2006
Publication #:	US20070172735	Pub Dt:	07/26/2007
Title:	Thin-film Battery

Patent #:	7453768	Issue Dt:	11/18/2008	Application #:	11382324	Filing Dt:	05/09/2006
Publication #:	US20060221768	Pub Dt:	10/05/2006
Title:	HIGH-SPEED, DOWNHOLE, CROSS WELL MEASUREMENT SYSTEM

Patent #:	7382273	Issue Dt:	06/03/2008	Application #:	11421357	Filing Dt:	05/31/2006
Publication #:	US20060260801	Pub Dt:	11/23/2006
Title:	WIRED TOOL STRING COMPONENT

Patent #:	7535377	Issue Dt:	05/19/2009	Application #:	11421387	Filing Dt:	05/31/2006
Publication #:	US20060260798	Pub Dt:	11/23/2006
Title:	WIRED TOOL STRING COMPONENT

Patent #:	7258179	Issue Dt:	08/21/2007	Application #:	11421838	Filing Dt:	06/02/2006
Publication #:	US20070114071	Pub Dt:	05/24/2007
Title:	ROTARY BIT WITH AN INDENTING MEMBER

Patent #:	7656309	Issue Dt:	02/02/2010	Application #:	11428993	Filing Dt:	07/06/2006
Publication #:	US20080024318	Pub Dt:	01/31/2008
Title:	SYSTEM AND METHOD FOR SHARING INFORMATION BETWEEN DOWNHOLE DRILL STRINGS

Patent #:	8033328	Issue Dt:	10/11/2011	Application #:	11467095	Filing Dt:	08/24/2006
Publication #:	US20080047753	Pub Dt:	02/28/2008
Title:	DOWNHOLE ELECTRIC POWER GENERATOR

Patent #:	7571780	Issue Dt:	08/11/2009	Application #:	11535036	Filing Dt:	09/25/2006
Publication #:	US20070221406	Pub Dt:	09/27/2007
Title:	JACK ELEMENT FOR A DRILL BIT

Patent #:	7527110	Issue Dt:	05/05/2009	Application #:	11549513	Filing Dt:	10/13/2006
Publication #:	US20080087473	Pub Dt:	04/17/2008
Title:	PERCUSSIVE DRILL BIT

Patent #:	7954401	Issue Dt:	06/07/2011	Application #:	11553651	Filing Dt:	10/27/2006
Publication #:	US20080099243	Pub Dt:	05/01/2008
Title:	METHOD OF ASSEMBLING A DRILL BIT WITH A JACK ELEMENT

Patent #:	7419018	Issue Dt:	09/02/2008	Application #:	11555334	Filing Dt:	11/01/2006
Publication #:	US20080099245	Pub Dt:	05/01/2008
Title:	CAM ASSEMBLY IN A DOWNHOLE COMPONENT

Patent #:	7328755	Issue Dt:	02/12/2008	Application #:	11567283	Filing Dt:	12/06/2006
Publication #:	US20070114064	Pub Dt:	05/24/2007
Title:	HYDRAULIC DRILL BIT ASSEMBLY

Patent #:	7600586	Issue Dt:	10/13/2009	Application #:	11611310	Filing Dt:	12/15/2006
Publication #:	US20080142264	Pub Dt:	06/19/2008
Title:	SYSTEM FOR STEERING A DRILL STRING

Patent #:	7392857	Issue Dt:	07/01/2008	Application #:	11619418	Filing Dt:	01/03/2007
Publication #:	US20080156536	Pub Dt:	07/03/2008
Title:	APPARATUS AND METHOD FOR VIBRATING A DRILL BIT

Patent #:	7497279	Issue Dt:	03/03/2009	Application #:	11668341	Filing Dt:	01/29/2007
Publication #:	US20070119630	Pub Dt:	05/31/2007
Title:	JACK ELEMENT ADAPTED TO ROTATE INDEPENDENT OF A DRILL BIT

Patent #:	7484576	Issue Dt:	02/03/2009	Application #:	11673872	Filing Dt:	02/12/2007
Publication #:	US20070221417	Pub Dt:	09/27/2007
Title:	JACK ELEMENT IN COMMUNICATION WITH AN ELECTRIC MOTOR AND OR GENERATOR

Patent #:	7533737	Issue Dt:	05/19/2009	Application #:	11673936	Filing Dt:	02/12/2007
Publication #:	US20070125580	Pub Dt:	06/07/2007
Title:	JET ARRANGEMENT FOR A DOWNHOLE DRILL BIT

Patent #:	7265649	Issue Dt:	09/04/2007	Application #:	11676494	Filing Dt:	02/19/2007
Title:	FLEXIBLE INDUCTIVE RESISTIVITY DEVICE

Patent #:	NONE	Issue Dt:		Application #:	11679529	Filing Dt:	02/27/2007
Publication #:	US20080202742	Pub Dt:	08/28/2008
Title:	Open Cavity in a Pocket of a Downhole Tool String Component

Patent #:	7419016	Issue Dt:	09/02/2008	Application #:	11680997	Filing Dt:	03/01/2007
Publication #:	US20070221416	Pub Dt:	09/27/2007
Title:	BI-CENTER DRILL BIT

Patent #:	7969819	Issue Dt:	06/28/2011	Application #:	11682758	Filing Dt:	03/06/2007
Publication #:	US20080217057	Pub Dt:	09/11/2008
Title:	METHOD FOR TAKING SEISMIC MEASUREMENTS

Patent #:	7424922	Issue Dt:	09/16/2008	Application #:	11686638	Filing Dt:	03/15/2007
Publication #:	US20070221412	Pub Dt:	09/27/2007
Title:	ROTARY VALVE FOR A JACK HAMMER

Patent #:	7301429	Issue Dt:	11/27/2007	Application #:	11687891	Filing Dt:	03/19/2007
Title:	MULTIPLE FREQUENCY INDUCTIVE RESISTIVITY DEVICE

Patent #:	7497254	Issue Dt:	03/03/2009	Application #:	11688952	Filing Dt:	03/21/2007
Publication #:	US20080230277	Pub Dt:	09/25/2008
Title:	POCKET FOR A DOWNHOLE TOOL STRING COMPONENT

Patent #:	7591327	Issue Dt:	09/22/2009	Application #:	11693838	Filing Dt:	03/30/2007
Publication #:	US20070221408	Pub Dt:	09/27/2007
Title:	DRILLING AT A RESONANT FREQUENCY

Patent #:	7503405	Issue Dt:	03/17/2009	Application #:	11737034	Filing Dt:	04/18/2007
Publication #:	US20070221409	Pub Dt:	09/27/2007
Title:	ROTARY VALVE FOR STEERING A DRILL STRING

Patent #:	7504963	Issue Dt:	03/17/2009	Application #:	11739344	Filing Dt:	04/24/2007
Publication #:	US20070194948	Pub Dt:	08/23/2007
Title:	SYSTEM AND METHOD FOR PROVIDING ELECTRICAL POWER DOWNHOLE

Patent #:	7549489	Issue Dt:	06/23/2009	Application #:	11750700	Filing Dt:	05/18/2007
Publication #:	US20070221415	Pub Dt:	09/27/2007
Title:	JACK ELEMENT WITH A STOP-OFF

Patent #:	7866416	Issue Dt:	01/11/2011	Application #:	11757928	Filing Dt:	06/04/2007
Publication #:	US20080296015	Pub Dt:	12/04/2008
Title:	CLUTCH FOR A JACK ELEMENT

Patent #:	8130117	Issue Dt:	03/06/2012	Application #:	11759992	Filing Dt:	06/08/2007
Publication #:	US20070229304	Pub Dt:	10/04/2007
Title:	DRILL BIT WITH AN ELECTRICALLY ISOLATED TRANSMITTER

Patent #:	8316964	Issue Dt:	11/27/2012	Application #:	11761095	Filing Dt:	06/11/2007
Publication #:	US20070229232	Pub Dt:	10/04/2007
Title:	DRILL BIT TRANSDUCER DEVICE

Patent #:	7464772	Issue Dt:	12/16/2008	Application #:	11766707	Filing Dt:	06/21/2007
Publication #:	US20070242565	Pub Dt:	10/18/2007
Title:	DOWNHOLE PRESSURE PULSE ACTIVATED BY JACK ELEMENT

Patent #:	NONE	Issue Dt:		Application #:	11772907	Filing Dt:	07/03/2007
Publication #:	US20090012741	Pub Dt:	01/08/2009
Title:	Location Device with a Gravity Measuring Device

Patent #:	7506706	Issue Dt:	03/24/2009	Application #:	11774645	Filing Dt:	07/09/2007
Publication #:	US20080011521	Pub Dt:	01/17/2008
Title:	RETAINING ELEMENT FOR A JACK ELEMENT

Patent #:	7753144	Issue Dt:	07/13/2010	Application #:	11774647	Filing Dt:	07/09/2007
Publication #:	US20080011522	Pub Dt:	01/17/2008
Title:	DRILL BIT WITH A RETAINED JACK ELEMENT

Patent #:	7598742	Issue Dt:	10/06/2009	Application #:	11776447	Filing Dt:	07/11/2007
Publication #:	US20080265893	Pub Dt:	10/30/2008
Title:	EXTERNALLY GUIDED AND DIRECTED FIELD INDUCTION RESISTIVITY TOOL

Patent #:	7541813	Issue Dt:	06/02/2009	Application #:	11776484	Filing Dt:	07/11/2007
Publication #:	US20080265894	Pub Dt:	10/30/2008
Title:	EXTERNALLY GUIDED AND DIRECTED HALBACH ARRAY FIELD INDUCTION RESISTIVITY TOOL

Patent #:	NONE	Issue Dt:		Application #:	11828901	Filing Dt:	07/26/2007
Publication #:	US20090025982	Pub Dt:	01/29/2009
Title:	Stabilizer Assembly

Patent #:	7559379	Issue Dt:	07/14/2009	Application #:	11837321	Filing Dt:	08/10/2007
Publication #:	US20070272443	Pub Dt:	11/29/2007
Title:	DOWNHOLE STEERING

Patent #:	7669671	Issue Dt:	03/02/2010	Application #:	11841101	Filing Dt:	08/20/2007
Publication #:	US20080230218	Pub Dt:	09/25/2008
Title:	SEGMENTED SLEEVE ON A DOWNHOLE TOOL STRING COMPONENT

Patent #:	7721826	Issue Dt:	05/25/2010	Application #:	11851094	Filing Dt:	09/06/2007
Publication #:	US20090065251	Pub Dt:	03/12/2009
Title:	DOWNHOLE JACK ASSEMBLY SENSOR

Patent #:	NONE	Issue Dt:		Application #:	11860761	Filing Dt:	09/25/2007
Publication #:	US20080012569	Pub Dt:	01/17/2008
Title:	Downhole Coils

Patent #:	8519865	Issue Dt:	08/27/2013	Application #:	11860795	Filing Dt:	09/25/2007
Publication #:	US20080083529	Pub Dt:	04/10/2008
Title:	DOWNHOLE COILS

Patent #:	NONE	Issue Dt:		Application #:	11861412	Filing Dt:	09/26/2007
Publication #:	US20080007425	Pub Dt:	01/10/2008
Title:	Downhole Component with Multiple Transmission Elements

Patent #:	7886851	Issue Dt:	02/15/2011	Application #:	11871480	Filing Dt:	10/12/2007
Publication #:	US20080035388	Pub Dt:	02/14/2008
Title:	DRILL BIT NOZZLE

Patent #:	7694756	Issue Dt:	04/13/2010	Application #:	11871644	Filing Dt:	10/12/2007
Publication #:	US20080029312	Pub Dt:	02/07/2008
Title:	INDENTING MEMBER FOR A DRILL BIT

Patent #:	7451835	Issue Dt:	11/18/2008	Application #:	11940091	Filing Dt:	11/14/2007
Title:	DOWNHOLE TURBINE

Patent #:	7434634	Issue Dt:	10/14/2008	Application #:	11940117	Filing Dt:	11/14/2007
Title:	DOWNHOLE TURBINE

Patent #:	8033330	Issue Dt:	10/11/2011	Application #:	11947949	Filing Dt:	11/30/2007
Publication #:	US20090139711	Pub Dt:	06/04/2009
Title:	TOOL STRING THREADS

Patent #:	7900720	Issue Dt:	03/08/2011	Application #:	11956623	Filing Dt:	12/14/2007
Publication #:	US20090152011	Pub Dt:	06/18/2009
Title:	DOWNHOLE DRIVE SHAFT CONNECTION

Patent #:	7617886	Issue Dt:	11/17/2009	Application #:	12019782	Filing Dt:	01/25/2008
Publication #:	US20080135295	Pub Dt:	06/12/2008
Title:	FLUID-ACTUATED HAMMER BIT

Patent #:	7537051	Issue Dt:	05/26/2009	Application #:	12021565	Filing Dt:	01/29/2008
Title:	DOWNHOLE POWER GENERATION ASSEMBLY

Patent #:	7537053	Issue Dt:	05/26/2009	Application #:	12021743	Filing Dt:	01/29/2008
Title:	DOWNHOLE ELECTRICAL CONNECTION

Patent #:	7624824	Issue Dt:	12/01/2009	Application #:	12037682	Filing Dt:	02/26/2008
Publication #:	US20080156541	Pub Dt:	07/03/2008
Title:	DOWNHOLE HAMMER ASSEMBLY

Patent #:	7641003	Issue Dt:	01/05/2010	Application #:	12037733	Filing Dt:	02/26/2008
Publication #:	US20080142273	Pub Dt:	06/19/2008
Title:	DOWNHOLE HAMMER ASSEMBLY

Patent #:	8011457	Issue Dt:	09/06/2011	Application #:	12037764	Filing Dt:	02/26/2008
Publication #:	US20080142274	Pub Dt:	06/19/2008
Title:	DOWNHOLE HAMMER ASSEMBLY

Patent #:	7583085	Issue Dt:	09/01/2009	Application #:	12037803	Filing Dt:	02/26/2008
Publication #:	US20080264624	Pub Dt:	10/30/2008
Title:	DOWNHOLE SENSOR ASSEMBLY

Patent #:	7762353	Issue Dt:	07/27/2010	Application #:	12039608	Filing Dt:	02/28/2008
Publication #:	US20080142263	Pub Dt:	06/19/2008
Title:	DOWNHOLE VALVE MECHANISM

Patent #:	7967082	Issue Dt:	06/28/2011	Application #:	12039635	Filing Dt:	02/28/2008
Publication #:	US20080142265	Pub Dt:	06/19/2008
Title:	DOWNHOLE MECHANISM

Patent #:	7982463	Issue Dt:	07/19/2011	Application #:	12041754	Filing Dt:	03/04/2008
Publication #:	US20080265892	Pub Dt:	10/30/2008
Title:	EXTERNALLY GUIDED AND DIRECTED FIELD INDUCTION RESISTIVITY TOOL

Patent #:	7506701	Issue Dt:	03/24/2009	Application #:	12053334	Filing Dt:	03/21/2008
Publication #:	US20080179098	Pub Dt:	07/31/2008
Title:	DRILL BIT ASSEMBLY FOR DIRECTIONAL DRILLING

Patent #:	8061443	Issue Dt:	11/22/2011	Application #:	12109211	Filing Dt:	04/24/2008
Publication #:	US20090266609	Pub Dt:	10/29/2009
Title:	DOWNHOLE SAMPLE RATE SYSTEM

Patent #:	7624821	Issue Dt:	12/01/2009	Application #:	12134442	Filing Dt:	06/06/2008
Publication #:	US20090301784	Pub Dt:	12/10/2009
Title:	CONSTRICTING FLOW DIVERTER

Patent #:	8498125	Issue Dt:	07/30/2013	Application #:	12135556	Filing Dt:	06/09/2008
Publication #:	US20090303686	Pub Dt:	12/10/2009
Title:	INSTRUMENTATION PACKAGE IN A DOWNHOLE TOOL STRING COMPONENT

Patent #:	8378842	Issue Dt:	02/19/2013	Application #:	12141996	Filing Dt:	06/19/2008
Publication #:	US20090315791	Pub Dt:	12/24/2009
Title:	DOWNHOLE COMPONENT WITH AN ELECTRICAL DEVICE IN A BLIND-HOLE

Patent #:	D620510	Issue Dt:	07/27/2010	Application #:	29304177	Filing Dt:	02/26/2008
Title:	DRILL BIT

Assignor

HALL, DAVID R.

Exec Dt:

08/06/2008

Assignee

NOVADRILL, INC.

2185 S. LARSEN PKWY.

PROVO, UTAH 84606

Correspondence name and address
	D. BRIT NELSON
	LOCKE LORD BISSELL & LIDDELL LLP
	600 TRAVIS STREET, SUITE 3400
	HOUSTON, TX 77002-3095

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