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Patent Assignment Details

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Reel/Frame:	005305/0101			Pages:	5
		Recorded:	04/23/1990
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Total properties: 23

Patent #:	3774700	Issue Dt:	11/27/1973	Application #:	05121659	Filing Dt:	03/08/1971
Title:	THRUST BEARING FOR IMPACT TOOL AND OTHER ROCK PENETRATING TOOLS

Patent #:	3827507	Issue Dt:		Application #:	05289787	Filing Dt:
Title:

Patent #:	3866690	Issue Dt:		Application #:	05292161	Filing Dt:
Title:

Patent #:	4018135	Issue Dt:		Application #:	05428093	Filing Dt:
Title:

Patent #:	4062268	Issue Dt:		Application #:	05478289	Filing Dt:
Title:

Patent #:	4089380	Issue Dt:		Application #:	05565531	Filing Dt:
Title:

Patent #:	4012909	Issue Dt:		Application #:	05636006	Filing Dt:
Title:

Patent #:	4082151	Issue Dt:	04/04/1978	Application #:	05759502	Filing Dt:	01/14/1977
Title:	CAM MOUNTING FOR AN IMPACT TOOL

Patent #:	4082152	Issue Dt:	04/04/1978	Application #:	05759503	Filing Dt:	01/14/1977
Title:	CAM MOUNTING FOR AN IMPACT TOOL

Patent #:	4103747	Issue Dt:	08/01/1978	Application #:	05759600	Filing Dt:	01/14/1977
Title:	BUFFER SPRING FOR AN IMPACT TOOL

Patent #:	4231434	Issue Dt:	11/04/1980	Application #:	05879216	Filing Dt:	02/21/1978
Title:	HYDRAULIC IMPACT DEVICE

Patent #:	4261249	Issue Dt:	04/14/1981	Application #:	05940804	Filing Dt:	09/08/1978
Title:	HAMMER

Patent #:	4224003	Issue Dt:	09/23/1980	Application #:	05971383	Filing Dt:	12/20/1978
Title:	BACKHOE MOUNTED VIBRATING PLATE SOIL COMPACTOR

Patent #:	4295411	Issue Dt:	10/20/1981	Application #:	06081519	Filing Dt:	10/03/1979
Title:	IMPACTOR

Patent #:	4363258	Issue Dt:	12/14/1982	Application #:	06141023	Filing Dt:	04/17/1980
Title:	HYDRAULIC IMPACTOR

Patent #:	4325437	Issue Dt:	04/20/1982	Application #:	06144739	Filing Dt:	04/28/1980
Title:	ANVIL WITH TRAPPED FLUID

Patent #:	4359109	Issue Dt:	11/16/1982	Application #:	06170267	Filing Dt:	07/21/1980
Title:	IMPACTOR DRILL TOOL

Patent #:	4344353	Issue Dt:	08/17/1982	Application #:	06264495	Filing Dt:	05/18/1981
Title:	HAMMER

Patent #:	4479551	Issue Dt:	10/30/1984	Application #:	06325319	Filing Dt:	11/27/1981
Title:	ACTUATOR FOR A HYDRAULIC IMPACT DEVICE

Patent #:	4745981	Issue Dt:	05/24/1988	Application #:	06760389	Filing Dt:	07/30/1985
Title:	HYDRAULIC IMPACT TOOL

Patent #:	4724911	Issue Dt:	02/16/1988	Application #:	06811865	Filing Dt:	12/20/1985
Title:	HYDRAULIC IMPACT TOOL

Patent #:	4844513	Issue Dt:	07/04/1989	Application #:	06938423	Filing Dt:	12/05/1986
Title:	REMOTELY OPERABLE QUICK CONNECTOR FOR A COUPLING DEVICE

Patent #:	4966499	Issue Dt:	10/30/1990	Application #:	07456341	Filing Dt:	12/26/1989
Title:	VIBRATORY COMPACTOR

Assignor

Exec Dt:

04/13/1990

Assignee

8600 WILL ROGERS BOULEVARD, A CORP. OF TX

FORT WORTH, TEXAS

Correspondence name and address
	JERRY W. MILLS
	BAKER, MILLS & GLAST
	500 TRAMMELL CROW CENTER
	2001 ROSS AVENUE
	DALLAS, TX 75201-2916

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