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Reel/Frame:	024933/0749			Pages:	7
		Recorded:	09/03/2010
Attorney Dkt #:	105727.1029
Conveyance:	RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).

Total properties: 41

Patent #:	4898367	Issue Dt:	02/06/1990	Application #:	07222934	Filing Dt:	07/22/1988
Title:	DISPERSING GAS INTO MOLTEN METAL

Patent #:	4940384	Issue Dt:	07/10/1990	Application #:	07309613	Filing Dt:	02/10/1989
Title:	MOLTEN METAL PUMP WITH FILTER

Patent #:	4954167	Issue Dt:	09/04/1990	Application #:	07377484	Filing Dt:	07/10/1989
Title:	DISPERSING GAS INTO MOLTEN METAL

Patent #:	5092821	Issue Dt:	03/03/1992	Application #:	07467028	Filing Dt:	01/18/1990
Title:	DRIVE SYSTEM FOR IMPELLER SHAFTS

Patent #:	5078572	Issue Dt:	01/07/1992	Application #:	07467485	Filing Dt:	01/19/1990
Title:	MOLTEN METAL PUMP WITH FILTER

Patent #:	5286163	Issue Dt:	02/15/1994	Application #:	07532889	Filing Dt:	06/05/1990
Title:	MOLTEN METAL PUMP WITH FILTER

Patent #:	5143357	Issue Dt:	09/01/1992	Application #:	07614914	Filing Dt:	11/19/1990
Title:	MELTING METAL PARTICLES AND DISPERSING GAS WITH VANED IMPELLER

Patent #:	5310412	Issue Dt:	05/10/1994	Application #:	08002604	Filing Dt:	01/11/1993
Title:	MELTING METAL PARTICLES AND DISPERSING GAS AND ADDITIVES WITH VANED IMPELLER

Patent #:	5383651	Issue Dt:	01/24/1995	Application #:	08193791	Filing Dt:	02/07/1994
Title:	ALUMINUM COIL ANNEALING TRAY SUPPORT PAD

Patent #:	5425410	Issue Dt:	06/20/1995	Application #:	08296349	Filing Dt:	08/25/1994
Title:	SAND CASTING MOLD RISER/SPRUE SLEEVE

Patent #:	5470201	Issue Dt:	11/28/1995	Application #:	08312327	Filing Dt:	09/26/1994
Title:	MOLTEN METAL PUMP WITH VANED IMPELLER

Patent #:	5634770	Issue Dt:	06/03/1997	Application #:	08460979	Filing Dt:	06/05/1995
Title:	MOLTEN METAL PUMP WITH VANED IMPELLER

Patent #:	5586863	Issue Dt:	12/24/1996	Application #:	08468378	Filing Dt:	06/06/1995
Title:	MOLTEN METAL PUMP WITH VANED IMPELLER

Patent #:	5718416	Issue Dt:	02/17/1998	Application #:	08594727	Filing Dt:	01/30/1996
Title:	LID AND CONTAINMENT VESSEL FOR REFINING MOLTEN METAL

Patent #:	6250881	Issue Dt:	06/26/2001	Application #:	08651571	Filing Dt:	05/22/1996
Title:	MOLTEN METAL SHAFT AND IMPELLER BEARING ASSEMBLY

Patent #:	5755847	Issue Dt:	05/26/1998	Application #:	08725292	Filing Dt:	10/01/1996
Title:	INSULATOR SUPPORT ASSEMBLY AND PUSHBAR MECHANISM FOR HANDLING GLASS CONTAINERS

Patent #:	6036745	Issue Dt:	03/14/2000	Application #:	08784832	Filing Dt:	01/17/1997
Title:	MOLTEN METAL CHARGE WELL

Patent #:	6231639	Issue Dt:	05/15/2001	Application #:	08813256	Filing Dt:	03/07/1997
Title:	MODULAR FILTER FOR MOLTEN METAL

Patent #:	5785494	Issue Dt:	07/28/1998	Application #:	08842004	Filing Dt:	04/23/1997
Title:	MOLTEN METAL IMPELLER

Patent #:	5993728	Issue Dt:	11/30/1999	Application #:	08900433	Filing Dt:	07/25/1997
Title:	GAS INJECTION PUMP

Patent #:	5947705	Issue Dt:	09/07/1999	Application #:	08907361	Filing Dt:	08/07/1997
Title:	MOLTEN METAL TRANSFER PUMP

Patent #:	6254340	Issue Dt:	07/03/2001	Application #:	09056409	Filing Dt:	04/08/1998
Title:	MOLTEN METAL IMPELLER

Patent #:	6217823	Issue Dt:	04/17/2001	Application #:	09281240	Filing Dt:	03/30/1999
Title:	METAL SCRAP SUBMERGENCE SYSTEM

Patent #:	6451247	Issue Dt:	09/17/2002	Application #:	09436014	Filing Dt:	11/09/1999
Title:	SHAFT AND POST ASSEMBLIES FOR MOLTEN METAL APPARATUS

Patent #:	6497559	Issue Dt:	12/24/2002	Application #:	09520937	Filing Dt:	03/08/2000
Title:	MOLTEN METAL SUBMERSIBLE PUMP SYSTEM

Patent #:	6358467	Issue Dt:	03/19/2002	Application #:	09544917	Filing Dt:	04/07/2000
Title:	Universal coupling

Patent #:	6551060	Issue Dt:	04/22/2003	Application #:	09775401	Filing Dt:	02/01/2001
Publication #:	US20030059302	Pub Dt:	03/27/2003
Title:	PUMP FOR MOLTEN MATERIALS WITH SUSPENDED SOLIDS

Patent #:	6464458	Issue Dt:	10/15/2002	Application #:	09842538	Filing Dt:	04/25/2001
Publication #:	US20010028846	Pub Dt:	10/11/2001
Title:	MOLTEN METAL IMPELLER

Patent #:	6709234	Issue Dt:	03/23/2004	Application #:	09944660	Filing Dt:	08/31/2001
Publication #:	US20030044273	Pub Dt:	03/06/2003
Title:	IMPELLER SHAFT ASSEMBLY SYSTEM

Patent #:	6679936	Issue Dt:	01/20/2004	Application #:	10165952	Filing Dt:	06/10/2002
Publication #:	US20030227111	Pub Dt:	12/11/2003
Title:	MOLTEN METAL DEGASSING APPARATUS

Patent #:	6887425	Issue Dt:	05/03/2005	Application #:	10244883	Filing Dt:	09/16/2002
Publication #:	US20030075844	Pub Dt:	04/24/2003
Title:	SHAFT AND POST ASSEMBLIES FOR MOLTEN METAL APPARATUS

Patent #:	6869564	Issue Dt:	03/22/2005	Application #:	10284032	Filing Dt:	10/29/2002
Publication #:	US20040080085	Pub Dt:	04/29/2004
Title:	MOLTEN METAL PUMP SYSTEM

Patent #:	6869271	Issue Dt:	03/22/2005	Application #:	10284033	Filing Dt:	10/29/2002
Publication #:	US20040081555	Pub Dt:	04/29/2004
Title:	MOLTEN METAL PUMP SYSTEM

Patent #:	6918741	Issue Dt:	07/19/2005	Application #:	10298159	Filing Dt:	11/15/2002
Publication #:	US20040096330	Pub Dt:	05/20/2004
Title:	MOLTEN METAL PUMP IMPELLER SYSTEM

Patent #:	6977059	Issue Dt:	12/20/2005	Application #:	10310682	Filing Dt:	12/04/2002
Publication #:	US20040108635	Pub Dt:	06/10/2004
Title:	MOLTEN METAL SHAFT COUPLING SYSTEM

Patent #:	6843640	Issue Dt:	01/18/2005	Application #:	10403954	Filing Dt:	03/31/2003
Publication #:	US20030185679	Pub Dt:	10/02/2003
Title:	PUMP FOR MOLTEN MATERIALS WITH SUSPENDED SOLIDS

Patent #:	6848497	Issue Dt:	02/01/2005	Application #:	10414119	Filing Dt:	04/15/2003
Publication #:	US20040206473	Pub Dt:	10/21/2004
Title:	CASTING APPARATUS

Patent #:	6716147	Issue Dt:	04/06/2004	Application #:	10462427	Filing Dt:	06/16/2003
Title:	INSULATED SLEEVED ROLL

Patent #:	7157043	Issue Dt:	01/02/2007	Application #:	10659817	Filing Dt:	09/11/2003
Publication #:	US20040123970	Pub Dt:	07/01/2004
Title:	BONDED PARTICLE FILTERS

Patent #:	7455809	Issue Dt:	11/25/2008	Application #:	10881738	Filing Dt:	06/30/2004
Publication #:	US20050017417	Pub Dt:	01/27/2005
Title:	MATERIAL SUBMERGENCE SYSTEM

Patent #:	7278824	Issue Dt:	10/09/2007	Application #:	11011802	Filing Dt:	12/14/2004
Publication #:	US20050100440	Pub Dt:	05/12/2005
Title:	PUMP FOR MOLTEN MATERIALS WITH SUSPENDED SOLIDS

Assignor

U.S. BANK NATIONAL ASSOCIATION

Exec Dt:

08/13/2010

Assignee

PYROTEK INCORPORATED

9503 E MONTGOMERY AVENUE

SPOKANE, WASHINGTON 99206

Correspondence name and address
	LISA M. DAVIS
	601 SW 2ND AVENUE, SUITE 2100
	PORTLAND, OR 97204

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