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Patent Assignment Assignor Details

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Assignor Name : SCIENTIFIC ECOLOGY GROUP, INC., THE

Total Assignments: 6

Assignment: 1

Reel/Frame:	008382/0971			Pages:	3
		Recorded:	03/03/1997
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

SCIENTIFIC ECOLOGY GROUP, INC., THE

Exec Dt:

02/19/1997

Assignee

WESTINGHOUSE ELECTRIC CORPORATION

LAW DEPARTMENT -IPS GATEWAY - 16TH FLOOR

11 STANWIX STREET

PITTSBURGH, PENNSYLVANIA 15222

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

5222619

NONE

07843881

5335807

NONE

08036011

Correspondence name and address
	WESTINGHOUSE ELECTRIC CORPORATION
	PATRICIA LESHNOCK
	LAW DEPARTMENT - IPS GATEWAY - BAY 1619
	11 STANWIX STREET
	PITTSBURGH, PA 15222

Assignment: 2

Reel/Frame:	009693/0916			Pages:	13
		Recorded:	01/11/1999
Conveyance:	RE-RECORD TO CORRECT THE NATURE OF CONVEYANCE PREVIOUSLY RECORDED ON REEL 8461, FRAME 0081, ASSIGNOR CONFIRMS THE ASSIGNMENT OF THE ENTIRE INTEREST.

Assignor

SCIENTIFIC ECOLOGY GROUP, INC., THE

Exec Dt:

04/18/1997

Assignee

FIRST UNION BANK OF MARYLAND

PORTFOLIO MANAGEMENT

1970 CHAIN BRIDGE ROAD

MCLEAN, CALIFORNIA 22102

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4633091	NONE		06659991	4673510	NONE		06807026	4685391	NONE		06819270
4760260	NONE		06897022	4784802	NONE		06898840	4783799	NONE		07073253
4874587	NONE		07089573	4863702	NONE		07092041	4792385	NONE		07116088
4845372	NONE		07133168	4955403	NONE		07277847	4950105	NONE		07330672
4950426	NONE		07331341	4955983	NONE		07331587	5045240	NONE		07345852
5128068	NONE		07529092	5242503	NONE		07628557	5268128	NONE		07648673
5266494	NONE		07648674	5300258	NONE		07722458	5156722	NONE		07737891
5431295	NONE		07758220	5183541	NONE		07769998	5361223	NONE		07786320
5217585	NONE		07811474	5288435	NONE		07877299	5294310	NONE		07913658
5292695	NONE		07978265	5262019	NONE		07991807	5640701	NONE		07997076
5416251	NONE		08030803	5330658	NONE		08032362	5370827	NONE		08042188
5372650	NONE		08052509	5361910	NONE		08067190	5322116	NONE		08107339
5436384	NONE		08137457	5402455	NONE		08177902	5416257	NONE		08198758
5545796	NONE		08201946	5470544	NONE		08221989	5427738	NONE		08225438
5439562	NONE		08261862	5582800	NONE		08365351	5672278	NONE		08435148
5789648	NONE		08451449	5640704	NONE		08506057	5724669	NONE		08732558

Correspondence name and address
	PIPER & MARBURY L.L.P.
	NORA E. GARROTE, ESQUIRE
	1200 NINETEENTH STREET, NW
	WASHIGTON, DC 20036

Assignment: 3

Reel/Frame:	009748/0505			Pages:	9
		Recorded:	01/12/1999
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Assignor

SCIENTIFIC ECOLOGY GROUP, INC., THE

Exec Dt:

01/20/1998

Assignee

GTS DURATEK BEAR CREEK, INC.

10100 OLD COLUMBIA ROAD

COLUMBIA, MARYLAND 21046

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4623510	NONE		06547293	4633091	NONE		06659991	4685391	NONE		06819270
4760260	NONE		06897022	4784802	NONE		06898840	4783799	NONE		07073253
4874587	NONE		07089573	4863702	NONE		07092041	4792385	NONE		07116088
4845372	NONE		07133168	4955403	NONE		07277847	4950105	NONE		07330672
4950426	NONE		07331341	4955983	NONE		07331587	5045240	NONE		07345852
5128068	NONE		07529092	5242503	NONE		07628557	5268128	NONE		07648673
5266494	NONE		07648674	5300258	NONE		07722458	5156722	NONE		07737891
5244575	NONE		07753153	5431295	NONE		07758220	5183541	NONE		07769998
5361223	NONE		07786320	5217585	NONE		07811474	5288435	NONE		07877299
5294310	NONE		07913658	5292695	NONE		07978265	5262019	NONE		07991807
5640701	NONE		07997076	5416251	NONE		08030803	5330658	NONE		08032362
5370827	NONE		08042188	5372650	NONE		08052509	5361910	NONE		08067190
5322116	NONE		08107339	5436384	NONE		08137457	5402455	NONE		08177902
5416257	NONE		08198758	5545796	NONE		08201946	5470544	NONE		08221989
5427738	NONE		08225438	5439562	NONE		08261862	5582800	NONE		08365351
5672278	NONE		08435148	5789648	NONE		08451449	5640704	NONE		08506057
5724669	NONE		08732558	5837122	NONE		08837614	5831143	NONE		08843418

Correspondence name and address
	PIPER & MARBURY LLP
	NORA E. GARROTE, ESQ
	1200 NINETEENTH STREET, NW
	WASHINGTON, DC 20036

Assignment: 4

Reel/Frame:	014277/0490			Pages:	3
		Recorded:	01/23/2004
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Assignor

SCIENTIFIC ECOLOGY GROUP, INC., THE

Exec Dt:

01/20/1998

Assignee

GTS DURATEK BEAR CREEK, INC.

10100 OLD COLUMBIA ROAD

COLUMBIA, MARYLAND 21046

Property

Pat #

Pub #

Intl #

App #

5316223

NONE

07870962

Correspondence name and address
	HOGAN & HARTSON LLP
	VALERIE BRENNAN
	BOX INTELLECTUAL PROPERTY
	8300 GREENSBORO DRIVE, SUITE 1100
	MCLEAN, VA 22102

Assignment: 5

Reel/Frame:	012721/0806			Pages:	3
		Recorded:	03/26/2002
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Assignor

SCIENTIFIC ECOLOGY GROUP, INC., THE

Exec Dt:

01/30/1998

Assignee

GTS DURATEK BEAR CREEK, INC.

10100 OLD COLUMBIA ROAD

COLUMBIA, MARYLAND 21046

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

5876590

NONE

08772475

5879566

NONE

08792411

5954936

NONE

08818484

Correspondence name and address
	HOGAN & HARTSON L.L.P.
	CELIA G. SPIRITOS
	SUITE 1100
	8300 GREENSBORO DRIVE
	MCLEAN, VA 22102

Assignment: 6

Reel/Frame:	012946/0758			Pages:	3
		Recorded:	05/24/2002
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Assignor

SCIENTIFIC ECOLOGY GROUP, INC., THE

Exec Dt:

01/30/1998

Assignee

GTS DURATEK BEAR CREEK, INC.

10100 OLD COLUMBIA ROAD

COLUMBIA, MARYLAND 21046

Property

Pat #

Pub #

Intl #

App #

4738799

NONE

06864369

Correspondence name and address
	HOGAN & HARTSON L.L.P.
	CELIA G. SPIRITOS
	8300 GREENSBORO DRIVE
	SUITE 1100
	MCLEAN, VA 22102

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