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Trademark Assignment Assignee Details

Assignee Name : M-I L.L.C.

Total Assignments: 10

Assignment: 1

Reel/Frame:	1753/0886	View Recorded Assignment		Pages:	5
		Recorded:	06/11/1998
Conveyance:	CHANGE OF NAME

Assignor

M-I DRILLING FLUIDS L.L.C.

Exec Dt:	08/01/1997
Entity Type:	UNKNOWN
Citizenship:	NONE

Assignee

M-I L.L.C.

P.O. BOX 42842

HOUSTON, TEXAS 77242

Entity Type:	LIMITED LAIBILITY COMPANY
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
71435658	387312	71528085	510848	71528103	513608	71642112	584342	71699662	629470
72011166	645095	72043560	690719	72043561	688871	72043562	690720	72050498	688116
72061640	681305	72061641	681306	72067029	686517	72067071	689312	72067693	686809
72069537	688962	72107471	732852	72132349	753514	72133569	736613	72140572	743128
72148821	747994	72148824	785410	72196455	796222	72231636	813935	72298667	905016
72369668	924036	72370562	939353	72375304	939365	72380256	933749	72393048	937371
72410643	985873	72413046	945959	73155880	1125097	73159383	1121680	73160473	1120304
73160474	1121244	73160477	1120305	73160479	1120306	73160481	1120307	73160482	1120308
73180417	1125471	73180424	1125472	73180426	1125473	73180427	1128104	73180428	1125474
73180431	1125475	73180432	1126964	73180454	1117510	73180455	1125476	73180539	1125477
73196575	1222223	73229172	1184316	73234195	1181708	73276072	1197568	73345068	1218249
73367353	1283926	73383149	1280511	73406815	1333177	73415733	1325217	73469446	1310652
73469472	1343979	73469480	1312907	73469481	1320251	73469482	1320252	73471733	1321646
73513468	1350182	73513469	1350183	73541220	1373233	73627828	1443750	73711737	1561685
73729048	1550635	73729049	1546936	73729050	1546937	73729051	1546938	73729053	1552402
73729054	1546939	73729056	1546940	73729057	1550636	73729058	1550637	73729059	1546941
73729060	1558528	73729062	1553385	73729063	1546942	73729064	1550638	73729093	1538713
73729094	1578441	73729095	1578442	73729175	1565305	73744833	1577175	73746803	1566485
73746804	1566486	74066595	1652828	74189251	1746635	74189404	1701268	74302229	1774819
74318275	1824163	74350551	1816636	74350676	1817730	74350678	1928880	74350679	1888861
74368227	1933526	74375411	1858300	74562182	1915896	74596909	1979290	74653859	2032858
74653868	2005270	74653869	2005271	74653870	2005272	74676687	NONE	74676689	NONE
74676690	2099895	74676691	2028250	74685602	1965810	74685605	2009710	74685607	1965811
75018681	2194013	75078770	2115229	75078771	2033986	75085814	NONE	75085815	NONE
75085816	2217569	75085817	2229300	75086123	2224561	75089404	2122293	75111894	2150128
75111899	2151736	75184971	2290646	75196774	2181817	75306451	2232895	75306454	2294651

Correspondence name and address
	RICHARD C. BEU
	M-I L.L.C.
	P.O. BOX 42842
	HOUSTON, TEXAS 77242

Assignment: 2

Reel/Frame:	1760/0325	View Recorded Assignment		Pages:	3
		Recorded:	07/24/1998
Conveyance:	CHANGE OF NAME

Assignor

M-I DRILLING FLUIDS L.L.C.

Exec Dt:	08/01/1997
Entity Type:	UNKNOWN
Citizenship:	NONE

Assignee

M-I L.L.C.

P.O. BOX 42842

HOUSTON, TEXAS 77242

Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

Properties

	Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #
	75306450	2265462		75306452	2512929		75306453	NONE

Correspondence name and address
	M-I L.L.C.
	RICHARD C. BEU
	P.O. BOX 42842
	HOUSTON, TX 77242

Assignment: 3

Reel/Frame:	1915/0446	View Recorded Assignment		Pages:	5
		Recorded:	06/01/1999
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

SMITH INTERNATIONAL ACQUISITION CORP.

Exec Dt:	05/05/1999
Entity Type:	CORPORATION
Citizenship:	NONE

Assignee

M-I L.L.C.

1201 LOUISIANA STREET

HOUSTON, TEXAS 77002

Entity Type:	L.L.C.
Citizenship:	NONE

Properties

	Ser. #	Reg. #		Ser. #	Reg. #
	75444172	2439785		75444279	2299429

Correspondence name and address
	GARVEY, SMITH, NEHRBASS & DOODY, L.L.C.
	H. ROY BERKENSTOCK
	3838 N. CAUSEWAY, SUITE 3290
	METAIRIE, LA 70002

Assignment: 4

Reel/Frame:	2036/0793	View Recorded Assignment		Pages:	7
		Recorded:	02/22/2000
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

M-I HOLDINGS L.L.C.

Exec Dt:	07/14/1999
Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

Assignee

M-I L.L.C.

P.O. BOX 42842

HOUSTON, TEXAS 77242-2842

Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
71435658	387312	71528085	510848	71528103	513608	71642112	584342	71699662	629470
72011166	645095	72043561	688871	72050498	688116	72067071	689312	72067693	686809
72069537	688962	72107471	732852	72132349	753514	72133569	736613	72140572	743128
72148821	747994	72148824	785410	72196455	796222	72231636	813935	72298667	905016
72369668	924036	72370562	939353	72375304	939365	72380256	933749	72393048	937371
72410643	985873	72413046	945959	73180424	1125472	73180426	1125473	73180427	1128104
73180428	1125474	73180539	1125477	73196575	1222223	73229172	1184316	73234195	1181708
73276072	1197568	73345068	1218249	73367353	1283926	73383149	1280511	73406815	1333177
73415733	1325217	73469446	1310652	73469472	1343979	73469480	1312907	73469481	1320251
73469482	1320252	73513468	1350182	73513469	1350183	73541220	1373233	73627828	1443750
73711737	1561685	73729048	1550635	73729049	1546936	73729050	1546937	73729051	1546938
73729053	1552402	73729054	1546939	73729056	1546940	73729057	1550636	73729058	1550637
73729059	1546941	73729060	1558528	73729062	1553385	73729063	1546942	73729064	1550638
73729093	1538713	73729094	1578441	73729095	1578442	73729175	1565305	73744833	1577175
73746803	1566485	73746804	1566486	74066595	1652828	74189251	1746635	74189404	1701268
74302229	1774819	74318275	1824163	74350551	1816636	74350676	1817730	74350678	1928880
74350679	1888861	74368227	1933526	74375411	1858300	74562182	1915896	74568934	2086196
74596909	1979290	74653859	2032858	74653868	2005270	74653869	2005271	74653870	2005272
74676690	2099895	74676691	2028250	74685602	1965810	74685605	2009710	74685607	1965811
75018681	2194013	75078770	2115229	75078771	2033986	75085814	NONE	75085815	NONE
75085816	2217569	75085817	2229300	75086123	2224561	75089404	2122293	75111894	2150128
75111899	2151736	75184971	2290646	75196774	2181817	75306450	2265462	75306451	2232895
75306452	2512929	75306453	NONE	75306454	2294651	75385952	2442987	75385953	NONE
75385954	2406645	75423894	2265723	75500109	2433888	75501883	2425541	75501884	2383866
75501885	2390313	75501886	2383867	75501887	2383868	75501888	2383869	75501889	2383870
75510720	2444768	75510721	2659806	75512742	2567753	75534380	NONE	75574947	2380506
75593518	2419820	75633975	NONE	75633976	NONE	75633977	2724551	75633978	NONE
75633979	NONE	75633980	NONE	75633981	2678456	75633982	NONE	75633983	2502506
75633984	2764521	75633985	2428820	75633986	2428821	75633987	2715955	75633988	2502507
75678881	NONE	75678882	NONE	75698032	NONE

Correspondence name and address
	M-I L.L.C.
	RICHARD C. BEU
	P.O. BOX 42842
	HOUSTON, TX 77242-2842

Assignment: 5

Reel/Frame:	2663/0730	View Recorded Assignment		Pages:	4
		Recorded:	01/17/2003
Conveyance:	ASSIGNMENT OF AN UNDIVIDED PART OF ASSIGNORS INTEREST

Assignor

EMERSON ELECTRIC CO.

Exec Dt:	12/15/2000
Entity Type:	CORPORATION
Citizenship:	MISSOURI

Assignee

M-I L.L.C.

5950 NORTH COURSE DRIVE

HOUSTON, TEXAS 77072

Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	NONE

Property

Ser. #

Reg. #

76027610

NONE

Correspondence name and address
	HERNESS, DICKEY & PIERCE, P.L.C.
	ANTHONY MARTIN
	7700 BONHMME
	SUITE 400
	ST. LOUIS, MO 63105

Assignment: 6

Reel/Frame:	2428/0205	View Recorded Assignment		Pages:	6
		Recorded:	01/15/2002
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

IRONITE PRODUCTS COMPANY

Exec Dt:	09/28/2001
Entity Type:	CORPORATION
Citizenship:	NONE

Assignee

M-I L.L.C.

1201 LOUISIANA STREET, SUITE 900

HOUSTON, TEXAS 77002

Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

Properties

	Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #
	72457287	1006536		73158247	1130613		73414827	1279419

Correspondence name and address
	POLSINELLI SHALTON WELTE
	PATRICK C. WOOLLEY
	700 W. 47TH STREET, SUITE 1000
	KANSAS CITY, MISSOURI 64112

Assignment: 7

Reel/Frame:	3521/0365	View Recorded Assignment		Pages:	44
		Recorded:	04/12/2007
Attorney Dkt #:	ALPINE
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

ALPINE MUD PRODUCTS CORPORATION

Exec Dt:	10/01/2003
Entity Type:	CORPORATION
Citizenship:	LOUISIANA

Assignee

M-I L.L.C.

DBA/AKA/TA: DBA M-I SWACO

5950 NORTH COURSE DR.

LEGAL DEPT. - TRADEMARKS

HOUSTON, TEXAS 77072

Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
75847410	2391688	75848056	2400016	75848059	2401991	75848060	2401992	75848096	2401993
75848097	2401994	75848098	2401995	75848099	2391693	75848288	2381633	76134145	2519739
76499870	NONE

Correspondence name and address
	CARTER J. WHITE
	5950 NORTH COURSE DR.
	LEGAL DEPT. - TRADEMARKS
	HOUSTON, TX 77072

Assignment: 8

Reel/Frame:	3193/0093	View Recorded Assignment		Pages:	4
		Recorded:	11/11/2005
Attorney Dkt #:	TM-00203US
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

SOUTHWESTERN WIRE CLOTH, INC.

Exec Dt:	11/11/2005
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

M-I L.L.C.

5950 NORTH COURSE DRIVE

LEGAL DEPT. - TRADEMARKS

HOUSTON, TEXAS 77072

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74708380	2037890	75300553	2245039	75481371	2266872	75483932	2264721	75555949	2382267
76049523	2616513

Correspondence name and address
	M-I L.L.C.
	5950 NORTH COURSE DR.
	LEGAL DEPT. - TRADEMARKS
	HOUSTON, TX 77072

Assignment: 9

Reel/Frame:	3269/0874	View Recorded Assignment		Pages:	2
		Recorded:	02/01/2006
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

NORSK HYDRO ASA

Exec Dt:	01/16/2006
Entity Type:	CORPORATION
Citizenship:	NORWAY

Assignee

M-I L.L.C.

5950 NORTH COURSE DRIVE

HOUSTON, TEXAS 77072

Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

Property

	Ser. #	Reg. #
	76468595	2954137

Correspondence name and address
	WENDEROTH, LIND & PONACK, L.L.P.
	JEFFREY R. FILIPEK
	2033 K STREET, N.W., SUITE 800
	WASHINGTON, D.C. 20006-1021

Assignment: 10

Reel/Frame:	3965/0301	View Recorded Assignment		Pages:	7
		Recorded:	04/08/2009
Attorney Dkt #:	TM-
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

SMITH INTERNATIONAL INC.

Exec Dt:	04/01/2009
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

M-I L.L.C.

5950 NORTH COURSE DR.

LEGAL DEPT. - TRADEMARKS

HOUSTON, TEXAS 77072

Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

Property

	Ser. #	Reg. #
	75810300	2646299

Correspondence name and address
	CARTER J WHITE
	5950 NORTH COURSE DR.
	LEGAL DEPT. - TRADEMARKS
	HOUSTON, TX 77072

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