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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:	007082/0090			Pages:	5
		Recorded:	08/08/1994
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Total properties: 15

Patent #:	4529230	Issue Dt:	07/16/1985	Application #:	06352868	Filing Dt:	02/26/1982
Title:	CAPILLARY TUBING AND SMALL ROD CONNECTOR

Patent #:	D289861	Issue Dt:	05/19/1987	Application #:	06857801	Filing Dt:	04/28/1986
Title:	EXTRACTION VACUUM MANIFOLD

Patent #:	4810471	Issue Dt:	03/07/1989	Application #:	06890013	Filing Dt:	07/24/1986
Title:	VACUUM MANIFOLD FOR EXTRACTION PROCESSING

Patent #:	D316897	Issue Dt:	05/14/1991	Application #:	07038805	Filing Dt:	04/14/1987
Title:	COMBINED GAS TREATMENT TUBE AND ENCLOSING GUARD TUBE

Patent #:	D312875	Issue Dt:	12/11/1990	Application #:	07133693	Filing Dt:	12/16/1987
Title:	SHORT-TUBE HEATLESS CONCENTRATOR

Patent #:	D319879	Issue Dt:	09/10/1991	Application #:	07133694	Filing Dt:	12/16/1987
Title:	SINGLE SAMPLE PROCESSOR SYRINGE FOR SOLID PHASE EXTRACTION TUBES

Patent #:	D312691	Issue Dt:	12/04/1990	Application #:	07133695	Filing Dt:	12/16/1987
Title:	THREADED HEATLESS CONCENTRATOR

Patent #:	D312876	Issue Dt:	12/11/1990	Application #:	07133697	Filing Dt:	12/16/1987
Title:	LONG-TUBE HEATLESS CONCENTRATOR

Patent #:	5047438	Issue Dt:	09/10/1991	Application #:	07249762	Filing Dt:	09/26/1988
Title:	POROUS RIGID RESINS AND PROCESS OF PREPARATION

Patent #:	5137626	Issue Dt:	08/11/1992	Application #:	07313641	Filing Dt:	02/21/1989
Title:	SOLID PHASE EXTRACTION TUBES CONTAINING SULFONAZIDE BONDED PHASE EXTRACTANTS

Patent #:	4933372	Issue Dt:	06/12/1990	Application #:	07433623	Filing Dt:	11/07/1989
Title:	POROUS RIGID RESINS AND PROCESS OF PREPARATION

Patent #:	5137627	Issue Dt:	08/11/1992	Application #:	07522491	Filing Dt:	05/10/1990
Title:	DEACTIVATED SUPPORTS FOR LIQUID CHROMATOGRAPHIC SEPARATION OF SILANOPHILES

Patent #:	5192406	Issue Dt:	03/09/1993	Application #:	07638934	Filing Dt:	01/09/1991
Title:	DEACTIVATED CAPILLARY COLUMNS FOR USE IN CAPILLARY ELECTROPHORESIS

Patent #:	5338454	Issue Dt:	08/16/1994	Application #:	07936158	Filing Dt:	08/27/1992
Title:	CHIRAL MOBILE PHASE ADDITIVES FOR IMPROVED LIQUID-CHROMATOGRAPHY SEPARATIONS

Patent #:	5277813	Issue Dt:	01/11/1994	Application #:	07988610	Filing Dt:	12/10/1992
Title:	SHIELDED STATIONARY PHASES

Assignor

Exec Dt:

05/13/1993

Assignee

3050 SPRUCE

ST. LOUIS, MISSOURI 63108

Correspondence name and address
	SENNIGER, POWERS, LEAVITT & ROEDEL
	JOHN E. MAURER
	ONE METROPOLITAN SQUARE, 16TH FL.
	ST. LOUIS, MO 63102

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