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Trademark Assignment Assignor Details

Assignor Name : WESTERN ATLAS INTERNATIONAL, INC.

Total Assignments: 14

Assignment: 1

Reel/Frame:	0855/0165			Pages:	3
		Recorded:	03/19/1992
Conveyance:	ASSIGNS THE ENTIRE INTEREST AND THE GOODWILL

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	03/16/1992
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

INTERA INFORMATION TECHNOLOGIES, INC.

3609 SOUTH WADSWORTH BLVD.

DENVER, COLORADO 80235

Entity Type:	CORPORATION
Citizenship:	COLORADO

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73022310	1017168	73209918	1165017	73210065	1152372	73210917	1160886	73211395	1161515
73264501	1177673	73287205	1226612	73695781	1499047	73743673	1557919

Correspondence name and address
	BRYLAWSKI, CLEARY & KOMEN
	224 EAST CAPITOL STREET
	WASHINGTON, D.C. 20003-1036

Assignment: 2

Reel/Frame:	1240/0137			Pages:	8
		Recorded:	11/02/1994
Conveyance:	ASSIGNS THE ENTIRE INTEREST AND THE GOODWILL

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	09/30/1994
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

CORE HOLDINGS B.V.

C/O CORE LAB HOLDINGS, INC.

5295 HOLLISTER ROAD

HOUSTON, TEXAS 77040

Entity Type:	CORPORATION
Citizenship:	NETHERLANDS

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
72220359	831982	72319850	888650	72459673	1001870	74074608	1713044	74182696	1745754
74290968	NONE	74291544	2025789	74321511	1787206	74369265	1869005	80509709	509709

Correspondence name and address
	KATHLEEN KANE
	NATIONAL CODE CORPORATION
	225 W. 34TH ST. SUITE 2110
	NEW YORK, N.Y. 10122

Assignment: 3

Reel/Frame:	1328/0195			Pages:	7
		Recorded:	03/31/1995
Conveyance:	SEE DOCUMENT FOR DETAILS

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	03/17/1995
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

CORE HOLDINGS B.V.

5295 HOLLISTER ROAD HOUSTON, TX 77040

Entity Type:	CORPORATION
Citizenship:	NETHERLANDS

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
72264174	831892	72319850	888650	72459673	1001870	74074608	1713044	74182696	1745754
74290968	NONE	74291544	2025789	74321511	1787206	74369265	1869005

Correspondence name and address
	PAUL S. MADAN
	1700 WEST LOOP SOUTH
	SUITE 1230
	HOUSTON, TX 77027

Assignment: 4

Reel/Frame:	1383/0741			Pages:	5
		Recorded:	08/14/1995
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	06/30/1995
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

I/O EXPLORATION PRODUCTS (U.S.A.)

120 PARC CREST DRIVE

STAFFORD, TEXAS 77477-2416

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

	Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #
	73146075	1102591		73836918	1622200		74034325	1625797		74101522	1692832

Correspondence name and address
	TIM HEADLEY
	1000 LOUISIANA STREET
	HOUSTON, TX 77002-5012

Assignment: 5

Reel/Frame:	1518/0577			Pages:	3
		Recorded:	09/19/1996
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	01/02/1996
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

CORE HOLDINGS, B.V.

424 HERENGRACHT, THIRD FLOOR

1017 BZ AMSTERDAM, NETHERLANDS

Entity Type:	CORPORATION
Citizenship:	NETHERLANDS

Property

	Ser. #	Reg. #
	72220359	831982

Correspondence name and address
	MADAN & MORRS PLLC
	PAUL S. MADAN
	2603 AUGUSTA, SUITE 700
	HOUSTON, TX 77057-5638

Assignment: 6

Reel/Frame:	1455/0241			Pages:	5
		Recorded:	04/22/1996
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	03/29/1996
Entity Type:	CORPORATION
Citizenship:	NONE

Assignee

LANDMARK GRAPHICS CORPORATION

ATTN: PATTI MASSARO

15150 MEMORIAL DRIVE

HOUSTON, TEXAS 77079

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73218076	1185205	73401012	1274928	73480205	1319165	73480206	1319166	73480208	1319167
73520558	1353842	73546523	1406531	73631907	1449450	73631982	1771131	73632011	1447311
73669129	1503653	73669130	1474844	73694922	1507920	73694923	1494071	73694924	1494072
73823978	1598344	74199073	1886532	74207841	1706440	74225454	1890428	75003215	2133068
75003866	NONE	75018322	2045606	75018323	2068677

Correspondence name and address
	WINSTEAD SECHREST & MINICK
	ELIZABETH R. HALL
	910 TRAVIS
	SUITE 1700
	HOUSTON, TX 77002

Assignment: 7

Reel/Frame:	1499/0840			Pages:	6
		Recorded:	04/22/1996
Conveyance:	(ASSIGNMENT OF ASSIGNOR'S INTEREST) RE-RECORD TO ADD AN ADDITIONAL PAGE TO A PREVIOUSLY RECORDED ASSIGNMENT AT REEL 1455, FRAME 0241.

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	03/29/1996
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

LANDMARK GRAPHICS CORPORATION

ATTN: PATTI MASSARO

15150 MEMORIAL DRIVE

HOUSTON, TEXAS 77079

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73218076	1185205	73401012	1274928	73480205	1319165	73480206	1319166	73480208	1319167
73520558	1353842	73546523	1406531	73631907	1449450	73631982	1771131	73632011	1447311
73669129	1503653	73669130	1474844	73694921	1494975	73694922	1507920	73694923	1494071
73694924	1494072	73694925	1494073	73694926	1494074	73694927	1494075	73694928	1494076
73823978	1598344	74102315	1679221	74199073	1886532	74207841	1706440	74225454	1890428
75003215	2133068	75003866	NONE	75018322	2045606	75018323	2068677

Correspondence name and address
	WINSTEAD SECHREST & MINICK
	ELIZABETH R. HALL
	910 TRAVIS
	SUITE 1700
	HOUSTON, TX 77002

Assignment: 8

Reel/Frame:	3555/0592	View Recorded Assignment		Pages:	3
		Recorded:	06/06/2007
Attorney Dkt #:	588-18898-US
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	12/31/1999
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

BAKER HUGHES OILFIELD OPERATIONS, INC.

2001 RANKIN ROAD

HOUSTON, TEXAS 77073

Entity Type:	CORPORATION
Citizenship:	CALIFORNIA

Property

	Ser. #	Reg. #
	74202395	2004567

Correspondence name and address
	CARMEN M. FITZGERALD
	2001 RANKIN ROAD
	HOUSTON, TX 77073

Assignment: 9

Reel/Frame:	2414/0082	View Recorded Assignment		Pages:	3
		Recorded:	12/20/2001
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	12/11/2001
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

WESTERN GECO HOLDINGS, L.L.C.

10,001 RICHMOND AVENUE

HOUSTON, TEXAS 77042

Entity Type:	DELAWARE LIMITED LIABILITY CORPORATION
Citizenship:	NONE

Property

	Ser. #	Reg. #
	74201796	1887772

Correspondence name and address
	WISNER & ASSOCIATES
	MARK R. WISNER
	2925 BRIARPARK, SUITE. 930
	HOUSTON, TX 77042-3728

Assignment: 10

Reel/Frame:	2415/0224	View Recorded Assignment		Pages:	3
		Recorded:	12/21/2001
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	12/11/2001
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

WESTERN GECO HOLDINGS, L.L.C.

10,001 RICHMOND AVENUE

HOUSTON, TEXAS 77042

Entity Type:	DELAWARE LIMITED LIABILITY CORPORATION
Citizenship:	NONE

Property

	Ser. #	Reg. #
	72360603	914544

Correspondence name and address
	WISNER & ASSOCIATES
	MARK R. WISNER
	2925 BRIARPARK, SUITE 930
	HOUSTON, TX 77042-3728

Assignment: 11

Reel/Frame:	2415/0230	View Recorded Assignment		Pages:	3
		Recorded:	12/21/2001
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	12/11/2001
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

WESTERN GECO HOLDINGS, L.L.C.

10,001 RICHMOND AVENUE

HOUSTON, TEXAS 77042

Entity Type:	DELAWARE LIMITED LIABILITY CORPORATION
Citizenship:	NONE

Property

	Ser. #	Reg. #
	74427938	1892317

Correspondence name and address
	WISNER & ASSOCIATES
	MARK R. WISNER
	2925 BRIARPARK, SUITE 930
	HOUSTON, TX 77042-3728

Assignment: 12

Reel/Frame:	2480/0897	View Recorded Assignment		Pages:	74
		Recorded:	03/28/2002
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	12/11/2001
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

WESTERNGECO, L.L.C.

10001 RICHMOND AVENUE

HOUSTON, TEXAS 77042-4299

Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73074466	1089847	73085649	1054549	73095178	1089849	73337162	1231726	73466527	1316757
73477191	1411756	73717682	1549869	74324872	1850244	74324874	1850245	74378494	1947169
74411463	1980346	74490638	1974081	74596826	2213154	74596827	2213155	74708098	2027931
75100089	2281891	75207675	2196410	75242797	2259797	75308362	2312811	75486153	2317227
75508997	2449597

Correspondence name and address
	WESTERNGECO
	DAVID S. FIGATNER
	INTELLECTUAL PROPERTY DEPARTMENT
	10001 RICHMOND AVENUE
	HOUSTON, TEXAS 77042-4299

Assignment: 13

Reel/Frame:	2902/0360	View Recorded Assignment		Pages:	4
		Recorded:	07/29/2004
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	07/29/2004
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

BAKER HUGHES INCORPORATAED

3900 ESSEX LANE, SUITE 1200

HOUSTON, TEXAS 77027

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

	Ser. #	Reg. #		Ser. #	Reg. #
	74327736	1881644		74327736	1881644

Correspondence name and address
	BAKER HUGHES INCORPORATED
	2001 RANKIN ROAD
	P. O. BOX 1407
	HOUSTON, TX 77073

Assignment: 14

Reel/Frame:	4425/0524	View Recorded Assignment		Pages:	5
		Recorded:	12/06/2010
Attorney Dkt #:	8-19117-US
Conveyance:	NUNC PRO TUNC ASSIGNMENT EFFECTIVE 12/30/1999

Assignor

WESTERN ATLAS INTERNATIONAL, INC.

Exec Dt:	12/06/2010
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

BAKER HUGHES INCORPORATED

PO BOX 4740

HOUSTON, TEXAS 77210-4740

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Property

	Ser. #	Reg. #
	73384482	1358523

Correspondence name and address
	TIMOTHY M. DONOUGHUE
	PO BOX 4740
	HOUSTON, TX 77210-4740

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