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Patent Assignment Details

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Reel/Frame:	005252/0167			Pages:	2
		Recorded:	10/16/1989
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). NOVEMBER 13, 1988, DEALWARE

Total properties: 49

Patent #:	3893539	Issue Dt:		Application #:	05401856	Filing Dt:
Title:

Patent #:	3924260	Issue Dt:		Application #:	05483784	Filing Dt:
Title:

Patent #:	4104596	Issue Dt:		Application #:	05749218	Filing Dt:
Title:

Patent #:	4307790	Issue Dt:	12/29/1981	Application #:	05891276	Filing Dt:	03/29/1978
Title:	WEIGHT-DROP SEISMIC EXPLORATION SYSTEM

Patent #:	4246652	Issue Dt:	01/20/1981	Application #:	05891339	Filing Dt:	03/29/1978
Title:	SEISMIC SURCE SIGNATURE EVALUATION APPARATUS

Patent #:	4158819	Issue Dt:	06/19/1979	Application #:	05921599	Filing Dt:	07/03/1978
Title:	INSTANTANEOUS FLOATING POINT AMPLIFIER

Patent #:	4276620	Issue Dt:	06/30/1981	Application #:	05955261	Filing Dt:	10/27/1978
Title:	METHOD AND APPARATUS FOR OBTAINING A COMPOSITE FIELD RESPONSE TO A VARIABLE SOURCE ARRAY USING WEIGHTING COEFFICIENTS

Patent #:	4276620	Issue Dt:	06/30/1981	Application #:	05955261	Filing Dt:	10/27/1978
Title:	METHOD AND APPARATUS FOR OBTAINING A COMPOSITE FIELD RESPONSE TO A VARIABLE SOURCE ARRAY USING WEIGHTING COEFFICIENTS

Patent #:	4257053	Issue Dt:	03/17/1981	Application #:	06010797	Filing Dt:	02/09/1979
Title:	HIGH-RESOLUTION LASER PLOTTER

Patent #:	4316702	Issue Dt:	02/23/1982	Application #:	06130977	Filing Dt:	03/17/1980
Title:	OIL WELL CONTROL CIRCUIT

Patent #:	4323994	Issue Dt:	04/06/1982	Application #:	06136291	Filing Dt:	03/31/1980
Title:	GEOPHONE SPRING

Patent #:	4510585	Issue Dt:	04/09/1985	Application #:	06199536	Filing Dt:	10/22/1980
Title:	ELECTRONIC FILTER

Patent #:	4360729	Issue Dt:	11/23/1982	Application #:	06207635	Filing Dt:	11/17/1980
Title:	SEISMIC CABLE CONNECTOR WITH OPTICAL TRANSCEIVER

Patent #:	4394616	Issue Dt:	07/19/1983	Application #:	06207636	Filing Dt:	11/17/1980
Title:	CABLE BREAK LOCATOR

Patent #:	4357577	Issue Dt:	11/02/1982	Application #:	06273952	Filing Dt:	06/15/1981
Title:	INSTANTANEOUS FLOATING POINT AMPLIFIER

Patent #:	4519052	Issue Dt:	05/21/1985	Application #:	06274216	Filing Dt:	06/16/1981
Title:	ELECTRONIC ROLL-A-LONG SWITCH

Patent #:	4490606	Issue Dt:	12/25/1984	Application #:	06371782	Filing Dt:	04/26/1982
Title:	TRANSDUCER APPARATUS UTILIZING FIBER OPTICS FOR DATA TRANSMISSION

Patent #:	4479264	Issue Dt:	10/23/1984	Application #:	06371951	Filing Dt:	04/26/1982
Title:	TRANSDUCER FOR OPTICAL DATA TRANSMISSION

Patent #:	4448057	Issue Dt:	05/15/1984	Application #:	06380840	Filing Dt:	05/21/1982
Title:	APPARATUS AND METHOD FOR TESTING A GEOPHONE DURING ASSEMBLY

Patent #:	4458344	Issue Dt:	07/03/1984	Application #:	06477483	Filing Dt:	03/21/1983
Title:	TAPERED GEOPHONE SPRING

Patent #:	4512001	Issue Dt:	04/16/1985	Application #:	06585032	Filing Dt:	03/06/1984
Title:	METHOD AND APPARATUS FOR SEISMIC EXPLORATION USING NONLINEAR SWEEPS

Patent #:	4685094	Issue Dt:	08/04/1987	Application #:	06676524	Filing Dt:	11/30/1984
Title:	LATERAL COMPLIANCE DEVICE FOR GEOPHONE SPRINGS

Patent #:	4692912	Issue Dt:	09/08/1987	Application #:	06676718	Filing Dt:	11/30/1984
Title:	AUTOMATIC FORCE CONTROL FOR A SEISMIC VIBRATOR

Patent #:	4623991	Issue Dt:	11/18/1986	Application #:	06676729	Filing Dt:	11/30/1984
Title:	DELTA-SHAPED GEOPHONE SPRING

Patent #:	4557326	Issue Dt:	12/10/1985	Application #:	06690171	Filing Dt:	01/10/1985
Title:	WELL TOOL LOCKING APPARATUS

Patent #:	4706231	Issue Dt:	11/10/1987	Application #:	06760321	Filing Dt:	07/29/1985
Title:	REACTION MASS ACCELERATION FEEDBACK DEVICE

Patent #:	4724532	Issue Dt:	02/09/1988	Application #:	06762206	Filing Dt:	08/05/1985
Title:	VIBRATOR RESPONSE LINEARIZATION CIRCUIT

Patent #:	4720267	Issue Dt:	01/19/1988	Application #:	06868320	Filing Dt:	05/28/1986
Title:	CONNECTOR WITH INTERNAL ELECTRICAL CONNECTIONS TO BE MADE OPTIONALLY

Patent #:	4680741	Issue Dt:	07/14/1987	Application #:	06913558	Filing Dt:	09/29/1986
Title:	METHOD AND APPARATUS FOR SEISMIC EXPLORATION USING NON-LINEAR SWEEPS

Patent #:	4151504	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4160233	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4024492	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4081828	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3813609	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4004267	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3757304	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3775738	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3790929	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3866161	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3899768	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3801919	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3858168	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3736556	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3739374	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3739869	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3683398	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3713084	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3721311	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3902161	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Assignor

GEOSOURCE, INC.

Exec Dt:

11/29/1988

Assignee

G & H MANAGEMENT COMPANY

Correspondence name and address
	THOMAS R. WEAVER
	HALLIBURTON GEOPHYSICAL SERVICES, INC.
	P.O. BOX 1431
	DUNCAN, OKLAHOMA 73536-0102

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