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Trademark Assignment Assignor Details

Assignor Name : PETROLITE CORPORATION

Total Assignments: 3

Assignment: 1

Reel/Frame:	1677/0574			Pages:	5
		Recorded:	01/13/1998
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

PETROLITE CORPORATION

Exec Dt:	07/02/1997
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

BAKER HUGHES INCORPORATED

3900 ESSEX LN.

MARYLU DAWSON

HOUSTON, TEXAS 77027

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
71161407	161052	71308342	282408	71315109	289613	71496185	435620	71515134	440591
71515135	436208	71516044	435308	71521098	436541	71607068	559051	71624772	572022
71624773	575505	71624774	579618	71636664	584310	71639829	580051	71678743	643781
72025884	667946	72039492	671062	72040257	668537	72043868	682696	72044752	670484
72052901	677917	72062415	694084	72095312	755800	72133010	745266	72153678	757561
72195702	788039	72279855	859525	72330186	909753	72347119	902590	72355792	920993
73086087	1073411	73086088	1064210	73157018	1142167	73262435	1183575	73347892	1239920
73380262	1258084	73401811	1303324	73431519	1366108	73431632	1337465	73431633	1304498
73440157	1346794	73440158	1297135	73443888	1297312	73493659	1334748	73642965	1507639
73772450	1562892	73772451	1561702	73782835	1574124	74061052	1647818	74114521	1754702
74114540	1754703	74115376	1739306	74141178	1681709	74146141	1669061	74184955	1726832
74263947	1746657	74480409	1869148	74482640	1874943	74488104	1876266	74559039	2076671
74609183	1935576	74625142	2065525	74627904	2031458	74629299	2036425	74643585	1956201
74683075	2099914	74683234	2024651	74688498	2108124	75021788	NONE	75035532	2151209
75083513	NONE	75147371	2101222	75241527	NONE	75241528	NONE	75241529	NONE
75241530	NONE	75241531	NONE

Correspondence name and address
	BAKER HUGHES INCORPORATED
	MARYLU DAWSON
	3900 ESSEX LANE
	HOUSTON, TX 77027

Assignment: 2

Reel/Frame:	2204/0403	View Recorded Assignment		Pages:	4
		Recorded:	03/08/2001
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

PETROLITE CORPORATION

Exec Dt:	03/06/2001
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

BAKER HUGHES INCORPORATED

SUITE 1200

3900 ESSEX LANE

HOUSTON, TEXAS 77027

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
71496185	435620	71521098	436541	71636664	584310	73086088	1064210	73157018	1142167
73772450	1562892	73772451	1561702	74480409	1869148	74482640	1874943

Correspondence name and address
	BAKER PETROLITE
	STEPHEN A. LITTLEFIELD
	12645 WEST AIRPORT BLVD., #122
	SUGAR LAND, TEXAS 77478

Assignment: 3

Reel/Frame:	0399/0651			Pages:	1
		Recorded:	09/16/1981
Conveyance:	ASSIGNS THE ENTIRE INTEREST AND THE GOODWILL

Assignor

PETROLITE CORPORATION

Exec Dt:	09/08/1981
Entity Type:	UNKNOWN
Citizenship:	NONE

Assignee

CPI INC.

12355 BALLAS WOODS COURT

SAINT LOUIS, MISSOURI 63131

Entity Type:	UNKNOWN
Citizenship:	NONE

Property

	Ser. #	Reg. #
	71683426	622508

Correspondence name and address
	PETROLITE CORP.
	369 MARSHALL AVE.
	369 MARSHALL AVE.
	SAINT LOUIS, MO 63119

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