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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.

Total properties: 14

Patent #:	5069423	Issue Dt:	12/03/1991	Application #:	07541619	Filing Dt:	06/21/1990
Title:	VALVE FOR CLEAN CHEMICAL REACTOR

Patent #:	5038520	Issue Dt:	08/13/1991	Application #:	07607522	Filing Dt:	11/01/1990
Title:	MANWAY LIFT ASSIST

Patent #:	5360198	Issue Dt:	11/01/1994	Application #:	07782526	Filing Dt:	10/24/1991
Title:	VALVE FOR CLEAN CHEMICAL REACTOR

Patent #:	5275501	Issue Dt:	01/04/1994	Application #:	07803549	Filing Dt:	12/09/1991
Title:	QUICK OPENING MANHOLE COVER ASSEMBLY FOR USE WITH VIRTUALLY ANY SHAPE MANHOLE COVER

Patent #:	5556113	Issue Dt:	09/17/1996	Application #:	08308157	Filing Dt:	09/19/1994
Title:	O-RING ENVELOPE GASKET

Patent #:	5582799	Issue Dt:	12/10/1996	Application #:	08411432	Filing Dt:	03/27/1995
Title:	CLOSURE FOR CLEAN CHEMICAL REACTOR

Patent #:	RE35625	Issue Dt:	10/07/1997	Application #:	08524219	Filing Dt:	09/06/1995
Title:	PROCESS FOR MAKING A CHEMICALLY-RESISTANT PORCELAIN ENAMEL

Patent #:	5992249	Issue Dt:	11/30/1999	Application #:	08797752	Filing Dt:	02/07/1997
Title:	TANTALUM LINED PROBE

Patent #:	5924257	Issue Dt:	07/20/1999	Application #:	09039709	Filing Dt:	03/16/1998
Title:	COMPRESSION REPAIR PLUG

Patent #:	6059448	Issue Dt:	05/09/2000	Application #:	09145948	Filing Dt:	09/02/1998
Title:	CONCAVE BAFFLE

Patent #:	6032696	Issue Dt:	03/07/2000	Application #:	09220479	Filing Dt:	12/23/1998
Title:	BOTTOM NOZZLE REPAIR APPARATUS

Patent #:	6082890	Issue Dt:	07/04/2000	Application #:	09275618	Filing Dt:	03/24/1999
Title:	HIGH AXIAL FLOW GLASS COATED IMPELLER

Patent #:	6139026	Issue Dt:	10/31/2000	Application #:	09276199	Filing Dt:	03/25/1999
Title:	STABILIZED "O" RING GASKET SEAL

Patent #:	6869322	Issue Dt:	03/22/2005	Application #:	10375779	Filing Dt:	02/27/2003
Title:	METHOD OF PRODUCING AN ELECTRICALLY CONDUCTIVE CONNECTION BETWEEN METALLIC COMPONENTS HAVING A NON-CONDUCTIVE COATING

Assignor

Exec Dt:

12/23/2005

Assignee

227 W. MONROE

CHICAGO, ILLINOIS 60606

Correspondence name and address
	LAURA KONRATH
	WINSTON & STRAWN LLP
	35 W. WACKER DR.
	CHICAGO, ILLINOIS 60601

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