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Patent Assignment Details

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

Reel/Frame:	005262/0580			Pages:	3
		Recorded:	04/03/1990
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST. AS OF NOVEMBER 01, 1989

Total properties: 18

Patent #:	3849893	Issue Dt:	11/26/1974	Application #:	05223210	Filing Dt:	02/04/1972
Title:	ROTATING MACHINE WEAR GAUGING MEANS AND METHOD

Patent #:	3823407	Issue Dt:		Application #:	05328751	Filing Dt:
Title:

Patent #:	3932941	Issue Dt:	01/20/1976	Application #:	05455401	Filing Dt:	03/27/1974
Title:	ROTATING MACHINE WEAR GAUGE MEANS AND METHODS

Patent #:	3988239	Issue Dt:	10/26/1976	Application #:	05498545	Filing Dt:	08/19/1974
Title:	CYCLONE AND LINER

Patent #:	4053393	Issue Dt:	10/11/1977	Application #:	05633405	Filing Dt:	11/19/1975
Title:	CYCLONE ASSEMBLY

Patent #:	4023416	Issue Dt:		Application #:	05634362	Filing Dt:
Title:

Patent #:	4184771	Issue Dt:	01/22/1980	Application #:	05936643	Filing Dt:	08/24/1978
Title:	CENTRIFUGAL MUD MIXER

Patent #:	4198760	Issue Dt:		Application #:	06009063	Filing Dt:
Title:

Patent #:	4236408	Issue Dt:	12/02/1980	Application #:	06045393	Filing Dt:	06/04/1979
Title:	DRILLING RIG LOAD INDICATOR

Patent #:	4300352	Issue Dt:	11/17/1981	Application #:	06073707	Filing Dt:	09/10/1979
Title:	HYDRAULIC PRESSURE INDICATOR

Patent #:	4302962	Issue Dt:	12/01/1981	Application #:	06082112	Filing Dt:	10/05/1979
Title:	INCLINOMETER TEST ASSEMBLY

Patent #:	4345539	Issue Dt:	08/24/1982	Application #:	06141770	Filing Dt:	04/21/1980
Title:	WARNING SYSTEM WITH PNEUMATIC FUNCTION GENERATOR

Patent #:	4345841	Issue Dt:	08/24/1982	Application #:	06161396	Filing Dt:	06/20/1980
Title:	MULTI-STAGE CENTRIFUGAL MIXER

Patent #:	4326863	Issue Dt:	04/27/1982	Application #:	06170714	Filing Dt:	07/21/1980
Title:	CENTRIFUGAL DEGASSER

Patent #:	4435988	Issue Dt:	03/13/1984	Application #:	06282966	Filing Dt:	07/13/1981
Title:	APPARATUS FOR INDICATING CRITICAL TORQUE LOAD

Patent #:	4743226	Issue Dt:	05/10/1988	Application #:	06490195	Filing Dt:	04/29/1983
Title:	HIGH CAPACITY CONTINUOUS SOLID BOWL CENTRIFUGE

Patent #:	4802502	Issue Dt:	02/07/1989	Application #:	07016854	Filing Dt:	02/20/1987
Title:	PURGE AIR CONTROL SYSTEM

Patent #:	3938255	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Assignor

Exec Dt:

11/02/1989

Assignee

Correspondence name and address
	JAMES W. WILLIAMS
	RICHARDS, MEDLOCK & ANDREWS
	4500 RENAISSANCE TOWER
	1201 ELM STREET
	DALLAS, TX. 75270-2197

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