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Reel/Frame:	031051/0062			Pages:	17
		Recorded:	08/21/2013
Attorney Dkt #:	CRS1-38876
Conveyance:	RELEASE OF SECURITY AGREEMENT

Total properties: 63

Patent #:	4538251	Issue Dt:	08/27/1985	Application #:	06483623	Filing Dt:	04/11/1983
Title:	MARINE SEISMIC STREAMER CABLE FOR PROVIDING SELECTABLE DETECTOR ARRAY CONNECTIONS

Patent #:	4656615	Issue Dt:	04/07/1987	Application #:	06744323	Filing Dt:	06/13/1985
Title:	HYDROPHONE ARRAY POLARITY TEST CIRCUIT

Patent #:	4809245	Issue Dt:	02/28/1989	Application #:	07086387	Filing Dt:	08/17/1987
Title:	SEISMIC DETECTOR HOUSING ASSEMBLY

Patent #:	4811311	Issue Dt:	03/07/1989	Application #:	07107163	Filing Dt:	10/13/1987
Title:	SEISMIC DETECTOR ASSEMBLY HAVING POLARIZED TERMINALS

Patent #:	4787702	Issue Dt:	11/29/1988	Application #:	07112236	Filing Dt:	10/26/1987
Title:	FIBER OPTIC CABLE AND METHOD OF MAKING THE SAME

Patent #:	4875545	Issue Dt:	10/24/1989	Application #:	07118430	Filing Dt:	11/06/1987
Title:	EXTERNAL BUBBLE-SUPPRESSION METHOD AND APPARATUS

Patent #:	5018115	Issue Dt:	05/21/1991	Application #:	07300590	Filing Dt:	01/23/1989
Title:	MARINE ACOUSTIC SOURCE

Patent #:	4976333	Issue Dt:	12/11/1990	Application #:	07352975	Filing Dt:	05/17/1989
Title:	METHOD FOR RESHAPING ACOUSTICAL PRESSURE PULSES

Patent #:	4949315	Issue Dt:	08/14/1990	Application #:	07389361	Filing Dt:	08/03/1989
Title:	EXTERNAL BUBBLE-SUPPRESSION METHOD AND APPARATUS

Patent #:	4967400	Issue Dt:	10/30/1990	Application #:	07423536	Filing Dt:	10/16/1989
Title:	DIGITAL MARINE SEISMIC SYSTEM

Patent #:	5128907	Issue Dt:	07/07/1992	Application #:	07682633	Filing Dt:	04/09/1991
Title:	MARINE ACOUSTIC SOURCE

Patent #:	5119345	Issue Dt:	06/02/1992	Application #:	07695274	Filing Dt:	05/03/1991
Title:	GEOPHONE

Patent #:	5113747	Issue Dt:	05/19/1992	Application #:	07697905	Filing Dt:	05/01/1991
Title:	HIGH PRESSURE PISTON SEALING SYSTEM AND METHOD OF ITS ASSEMBLY

Patent #:	5134594	Issue Dt:	07/28/1992	Application #:	07725198	Filing Dt:	07/03/1991
Title:	GEOPHONE SPRING

Patent #:	5420829	Issue Dt:	05/30/1995	Application #:	07870293	Filing Dt:	04/17/1992
Title:	METHOD AND APPARATUS FOR MODIFYING THE RECOIL OF A MARINE ACOUSTIC GENERATOR

Patent #:	5357486	Issue Dt:	10/18/1994	Application #:	07989372	Filing Dt:	12/02/1992
Title:	ACOUSTIC TRANSDUCER

Patent #:	5469408	Issue Dt:	11/21/1995	Application #:	08278022	Filing Dt:	07/20/1994
Title:	HIGH RESOLUTION GEOPHONE

Patent #:	5555222	Issue Dt:	09/10/1996	Application #:	08312094	Filing Dt:	09/26/1994
Title:	LOW DISTORTION GEOPHONE SPRING

Patent #:	5541894	Issue Dt:	07/30/1996	Application #:	08452386	Filing Dt:	05/26/1995
Title:	LOW DISTORTION HYDROPHONE

Patent #:	5675556	Issue Dt:	10/07/1997	Application #:	08545111	Filing Dt:	10/19/1995
Title:	HYDROPHONE STRUCTURE AND METHOD

Patent #:	5663931	Issue Dt:	09/02/1997	Application #:	08545342	Filing Dt:	10/19/1995
Title:	SEGMENTATION AND POLARIZATION IN A HYDROPHONE CRYSTAL

Patent #:	5774423	Issue Dt:	06/30/1998	Application #:	08573009	Filing Dt:	12/15/1995
Title:	ACOUSTIC SENSOR AND ARRAY THEREOF

Patent #:	5712828	Issue Dt:	01/27/1998	Application #:	08699915	Filing Dt:	08/20/1996
Title:	HYDROPHONE GROUP SENSITIVITY TESTER

Patent #:	5883857	Issue Dt:	03/16/1999	Application #:	08744693	Filing Dt:	11/07/1996
Title:	NON-LIQUID FILLED STREAMER CABLE WITH A NOVEL HYDROPHONE

Patent #:	5943293	Issue Dt:	08/24/1999	Application #:	08761780	Filing Dt:	12/06/1996
Title:	SEISMIC STREAMER

Patent #:	5815466	Issue Dt:	09/29/1998	Application #:	08811103	Filing Dt:	03/03/1997
Title:	HYDROPHONE STRUCTURE WITH REVERSE BEND OF PIEZOELECTRIC ELEMENT

Patent #:	5980148	Issue Dt:	11/09/1999	Application #:	08972562	Filing Dt:	11/18/1997
Title:	DYNAMIC SYSTEM FOR MAINTAINING SPACING BETWEEN TWO OR MORE OBJECTS

Patent #:	6011753	Issue Dt:	01/04/2000	Application #:	09044740	Filing Dt:	03/19/1998
Title:	CONTROL AND MONITORING OF DEVICES EXTERNAL TO A MARINE SEISMIC STREAMER

Patent #:	6115325	Issue Dt:	09/05/2000	Application #:	09062905	Filing Dt:	04/20/1998
Title:	VARIABLE LENGTH DATA FIELD IN A SEISMIC DATA STREAM

Patent #:	6160762	Issue Dt:	12/12/2000	Application #:	09098918	Filing Dt:	06/17/1998
Title:	OPTICAL SENSOR

Patent #:	5982708	Issue Dt:	11/09/1999	Application #:	09106654	Filing Dt:	06/29/1998
Title:	ACOUSTIC SENSOR AND ARRAY THEREOF

Patent #:	6079882	Issue Dt:	06/27/2000	Application #:	09132346	Filing Dt:	08/12/1998
Title:	OPTICAL COMBINER FOR REDUNDANT OPTICAL PATHS IN SEISMIC DATA TRANSMISSION

Patent #:	6079895	Issue Dt:	06/27/2000	Application #:	09156699	Filing Dt:	09/18/1998
Title:	CABLE SPLICE

Patent #:	6195162	Issue Dt:	02/27/2001	Application #:	09169252	Filing Dt:	10/09/1998
Title:	SEISMIC SENSOR WITH INTERFEROMETRIC SENSING APPARATUS

Patent #:	6108274	Issue Dt:	08/22/2000	Application #:	09189068	Filing Dt:	11/09/1998
Title:	ACOUSTIC SENSOR AND ARRAY THEREOF

Patent #:	6108267	Issue Dt:	08/22/2000	Application #:	09189086	Filing Dt:	11/09/1998
Title:	NON-LIQUID FILLED STREAMER CABLE WITH A NOVEL HYDROPHONE

Patent #:	6177780	Issue Dt:	01/23/2001	Application #:	09208137	Filing Dt:	12/09/1998
Title:	BATTERY CHARGER WITH IMPROVED RELIABILITY

Patent #:	6253143	Issue Dt:	06/26/2001	Application #:	09237319	Filing Dt:	01/26/1999
Title:	SAFETY LIMITER FOR POWERED VEHICLES

Patent #:	6188646	Issue Dt:	02/13/2001	Application #:	09248393	Filing Dt:	03/29/1999
Title:	HYDROPHONE CARRIER

Patent #:	6294727	Issue Dt:	09/25/2001	Application #:	09255452	Filing Dt:	02/19/1999
Title:	TAKEOUT ANCHOR AND PROTECTIVE COVER

Patent #:	6140587	Issue Dt:	10/31/2000	Application #:	09287600	Filing Dt:	04/07/1999
Title:	TWIN AXIAL ELECTRICAL CABLE

Patent #:	6262945	Issue Dt:	07/17/2001	Application #:	09289503	Filing Dt:	04/09/1999
Title:	SEISMIC SIGNAL COUPLING DEVICE AND METHOD

Patent #:	6151277	Issue Dt:	11/21/2000	Application #:	09292915	Filing Dt:	04/16/1999
Title:	HYDROPHONE WITH FERROELECTRIC SENSOR

Patent #:	6049511	Issue Dt:	04/11/2000	Application #:	09306740	Filing Dt:	05/07/1999
Title:	HIGH SENSITIVITY FIBER OPTIC HYDROPHONE

Patent #:	6256588	Issue Dt:	07/03/2001	Application #:	09330584	Filing Dt:	06/11/1999
Title:	SEISMIC SENSOR ARRAY WITH ELECTRICAL-TO-OPTICAL TRANSFORMERS

Patent #:	6307809	Issue Dt:	10/23/2001	Application #:	09330587	Filing Dt:	06/11/1999
Title:	GEOPHONE WITH OPTICAL FIBER PRESSURE SENSOR

Patent #:	6211964	Issue Dt:	04/03/2001	Application #:	09344098	Filing Dt:	06/25/1999
Title:	METHOD AND STRUCTURE FOR INCORPORATING FIBER OPTIC ACOUSTIC SENSORS IN A SEISMIC ARRAY

Patent #:	6389362	Issue Dt:	05/14/2002	Application #:	09367082	Filing Dt:	08/05/1999
Title:	DEVICE FOR SEISMIC ACQUISITION

Patent #:	6286612	Issue Dt:	09/11/2001	Application #:	09410709	Filing Dt:	10/01/1999
Title:	SHUTOFF VALVE FOR MARINE ACOUSTIC GENERATOR

Patent #:	6128251	Issue Dt:	10/03/2000	Application #:	09418883	Filing Dt:	10/15/1999
Title:	SOLID MARINE SEISMIC CABLE

Patent #:	6188645	Issue Dt:	02/13/2001	Application #:	09419199	Filing Dt:	10/15/1999
Title:	SEISMIC SENSOR ARRAY WITH ELECTRICAL-TO OPTICAL TRANSFORMERS

Patent #:	6161433	Issue Dt:	12/19/2000	Application #:	09419838	Filing Dt:	10/15/1999
Title:	FIBER OPTIC GEOPHONE

Patent #:	6363034	Issue Dt:	03/26/2002	Application #:	09493874	Filing Dt:	01/28/2000
Title:	Methods and apparatus for phase angle demodulation

Patent #:	6560565	Issue Dt:	05/06/2003	Application #:	09558990	Filing Dt:	04/27/2000
Publication #:	US20020152053	Pub Dt:	10/17/2002
Title:	SATELLITE-BASED SEISMIC MOBILE INFORMATION AND CONTROL SYSTEM

Patent #:	6483775	Issue Dt:	11/19/2002	Application #:	09873894	Filing Dt:	06/04/2001
Publication #:	US20020181327	Pub Dt:	12/05/2002
Title:	BIRD COMMUNICATIONS SYSTEM IN A MARINE SEISMIC CABLE

Patent #:	6645004	Issue Dt:	11/11/2003	Application #:	10054254	Filing Dt:	01/22/2002
Publication #:	US20030139090	Pub Dt:	07/24/2003
Title:	GEOPHONE KEYWAY TEE PROTECTIVE CASING

Patent #:	6957147	Issue Dt:	10/18/2005	Application #:	10095799	Filing Dt:	03/12/2002
Publication #:	US20030176974	Pub Dt:	09/18/2003
Title:	DATA MANAGEMENT FOR SEISMIC ACQUISITION USING VARIABLE COMPRESSION RATIO AS A FUNCTION OF BACKGROUND NOISE

Patent #:	6853604	Issue Dt:	02/08/2005	Application #:	10128090	Filing Dt:	04/23/2002
Publication #:	US20030198133	Pub Dt:	10/23/2003
Title:	SOLID MARINE SEISMIC CABLE

Patent #:	6731389	Issue Dt:	05/04/2004	Application #:	10141372	Filing Dt:	05/08/2002
Publication #:	US20030210403	Pub Dt:	11/13/2003
Title:	METHOD AND APPARATUS FOR THE ELIMINATION OF POLARIZATION FADING IN INTERFEROMETERIC SENSING SYSTEMS

Patent #:	6871132	Issue Dt:	03/22/2005	Application #:	10407891	Filing Dt:	04/04/2003
Publication #:	US20040199322	Pub Dt:	10/07/2004
Title:	ENGINE LIMITER FOR POWERED VEHICLES

Patent #:	6928367	Issue Dt:	08/09/2005	Application #:	10672045	Filing Dt:	09/26/2003
Publication #:	US20040117121	Pub Dt:	06/17/2004
Title:	RESERVOIR FRACTURE CHARACTERIZATION

Patent #:	7082367	Issue Dt:	07/25/2006	Application #:	10884579	Filing Dt:	07/02/2004
Publication #:	US20060004521	Pub Dt:	01/05/2006
Title:	SEISMIC DATA CALIBRATION USING CROSSPLOTTED AVO ATTRIBUTES

Patent #:	7382689	Issue Dt:	06/03/2008	Application #:	11161640	Filing Dt:	08/10/2005
Publication #:	US20070036033	Pub Dt:	02/15/2007
Title:	FLEXIBLE HYDROPHONE

Assignor

CREDIT SUISSE AG, LONDON BRANCH, AS COLLATERAL AGENT

Exec Dt:

07/18/2013

Assignees

SERCEL, INC.

17200 PARK ROW

HOUSTON, TEXAS 77084

CGG HOLDING (U.S.) INC. (F/K/A CGG VERITAS SERVICES INC., VERITAS DGC INC., VOLNAY ACQUISITION CO. II, VOLNAY ACQUISITION CO. I)

10300 TOWN PARK DRIVE

HOUSTON, TEXAS 77072

Correspondence name and address
	IP RESEARCH PLUS, INC.
	21 TADCASTER CIRCLE
	ATTN: PENELOPE J.A. AGODOA
	WALDORF, MD 20602

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