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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:	005877/0438			Pages:	9
		Recorded:	10/16/1991
Conveyance:	MERGER (SEE DOCUMENT FOR DETAILS).

Total properties: 35

Patent #:	4006407	Issue Dt:		Application #:	05556898	Filing Dt:
Title:

Patent #:	4074186	Issue Dt:		Application #:	05614877	Filing Dt:
Title:

Patent #:	4123797	Issue Dt:	10/31/1978	Application #:	05773338	Filing Dt:	03/01/1977
Title:	FLYING SPOT PATTERN STORAGE SYSTEM

Patent #:	4210866	Issue Dt:	07/01/1980	Application #:	05903872	Filing Dt:	05/08/1978
Title:	LINEARIZING CIRCUIT FOR A NON-DESTRUCTIVE TESTING INSTRUMENT HAVING A DIGITAL DISPLAY

Patent #:	4290016	Issue Dt:	09/15/1981	Application #:	05974009	Filing Dt:	12/28/1978
Title:	METHOD AND APPARATUS FOR ESTABISHING MAGNETIZATION LEVELS FOR MAGNETIC PARTICLE TESTING OR THE LIKE

Patent #:	4341997	Issue Dt:	07/27/1982	Application #:	06094764	Filing Dt:	11/14/1979
Title:	MAGNETIC PARTICLE INSPECTION PROCESS USEABLE WITH SIMULTANEOUS ILLUMINATION BY ULTRA-VIOLET AND WHITE LIGHT

Patent #:	4338566	Issue Dt:	07/06/1982	Application #:	06113328	Filing Dt:	01/18/1980
Title:	MAGNETIC PARTICLE METHOD USING WATER SOLUBLE ADHESIVE FOR DETECTING FLAWS IN MAGNETIZABLE WORKPIECES

Patent #:	4302678	Issue Dt:	11/24/1981	Application #:	06115510	Filing Dt:	01/25/1980
Title:	FLUORESCENT STANDARD FOR SCANNING DEVICES

Patent #:	4295362	Issue Dt:	10/20/1981	Application #:	06123683	Filing Dt:	02/22/1980
Title:	PENTAERYTHRITOL IN DRY DEVELOPERS

Patent #:	4321534	Issue Dt:	03/23/1982	Application #:	06129710	Filing Dt:	03/12/1980
Title:	MAGNETIC PARTICLE TESTING PROCEDURE INVOLVING PRE-COATING WITH A HYDROPHOBIC COATING

Patent #:	4281033	Issue Dt:	07/28/1981	Application #:	06129726	Filing Dt:	03/12/1980
Title:	FLUORESCENT PENETRANT SYSTEM

Patent #:	4331027	Issue Dt:	05/25/1982	Application #:	06137629	Filing Dt:	04/07/1980
Title:	DUAL-PURPOSE PENETRANT SYSTEM

Patent #:	4361806	Issue Dt:	11/30/1982	Application #:	06166610	Filing Dt:	07/07/1980
Title:	METHOD USING AQUEOUS EMULSION HAVING MAGNETIZABLE PARTICLES FOR DETECTING FLAWS IN MAGNETIZABLE WORK PIECES

Patent #:	4351031	Issue Dt:	09/21/1982	Application #:	06204946	Filing Dt:	11/07/1980
Title:	NONDESTRUCTIVE TESTING SYSTEM HAVING AUTOMATIC SET-UP MEANS

Patent #:	4378700	Issue Dt:	04/05/1983	Application #:	06204950	Filing Dt:	11/07/1980
Title:	INDICATING SYSTEM FOR USE IN NONDESTRUCTIVE TESTING

Patent #:	4351185	Issue Dt:	09/28/1982	Application #:	06228604	Filing Dt:	01/26/1981
Title:	HIGH TEMPERATURE PENETRANT SYSTEM

Patent #:	4443759	Issue Dt:	04/17/1984	Application #:	06261498	Filing Dt:	05/07/1981
Title:	MAGNETIZING CURRENT SUPPLY FOR MAGNETIC PARTICLE INSPECTION WITH SCR'S CONNECTED TO THREE-PHASE SECONDARY WINDINGS FOR RECTIFICATION AND CONTROL

Patent #:	4502253	Issue Dt:	03/05/1985	Application #:	06407656	Filing Dt:	08/12/1982
Title:	SURFACE TREATING AND TESTING APPARATUS

Patent #:	4528455	Issue Dt:	07/09/1985	Application #:	06494117	Filing Dt:	05/13/1983
Title:	NON DESTRUCTIVE TESTING SYSTEM WITH DUAL SCANNING

Patent #:	4724094	Issue Dt:	02/09/1988	Application #:	06699030	Filing Dt:	02/07/1985
Title:	FLUORESCENT MAGNETIC COMPOSITION AND METHOD OF MAKING AND USING SAME

Patent #:	4633620	Issue Dt:	01/06/1987	Application #:	06788080	Filing Dt:	10/16/1985
Title:	SYSTEM FOR PROCESSING OF STEEL BILLETS OR THE LIKE TO REMOVE SURFACE DEFECTS

Patent #:	4740087	Issue Dt:	04/26/1988	Application #:	06942207	Filing Dt:	12/16/1986
Title:	MAGNETIC PARTICLE BATH SUSPENSION APPARATUS

Patent #:	4836921	Issue Dt:	06/06/1989	Application #:	07008854	Filing Dt:	01/30/1987
Title:	WASTE WATER TREATMENT APPARATUS

Patent #:	3845658	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3848183	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3866116	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3916032	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3944828	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3958940	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4035721	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4063157	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4117334	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4150289	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4158873	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4193306	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Assignors

DEVCON CORPORATION, A MA CORP.

Exec Dt:

09/26/1989

MAGNAFLUX CORPORATION, A DE CORP.

Exec Dt:

09/26/1989

PHILIPS DRILL COMPANY, INC., AN IN CORP.

Exec Dt:

09/26/1989

Assignee

ILLINOIS TOOL WORKS INC.

A CORPORATION OF DE

ILLINOIS

Correspondence name and address
	ILLINOIS TOOL WORKS
	3600 W. LAKE AVE.
	GLENVIEW, IL 60025

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