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Patent Assignment Assignee Details

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Assignee Name : TAMROCK WORLD CORPORATION N.V., C/O PIERSON, HELDRING & PIERSON

Total Assignments: 4

Assignment: 1

Reel/Frame:	005169/0046			Pages:	3
		Recorded:	08/07/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

EIMCO COAL MACHINERY INCORPORATED

Exec Dt:

07/31/1989

Assignee

TAMROCK WORLD CORPORATION N.V., C/O PIERSON, HELDRING & PIERSON

6 JOHN B. GORSIRAWEG

A NETHERLANDS ANTILLES CORP.

CURACAO, NAMIBIA

Property

Pat #

Pub #

Intl #

App #

4418872

NONE

06213413

Correspondence name and address
	MCDERMOTT, WILL & EMERY
	111 WEST MONROE ST.
	CHICAGO, IL 60603-4067

Assignment: 2

Reel/Frame:	005252/0056			Pages:	5
		Recorded:	08/10/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

BAKER HUGHES INCORPORATED

Exec Dt:

07/31/1989

Assignee

TAMROCK WORLD CORPORATION N.V., C/O PIERSON, HELDRING & PIERSON

6 JOHN B. GORSIRAWEG

A CORP. OF NETHERLANDS ANTILLES CORP.

CURACAO, NETHERLANDS ANTILLES

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3730593	NONE		05155177	3750852	NONE		05193655	3774969	NONE		05210916
3804214	NONE		05292516	3848930	NONE		05407171	4087734	NONE		05617941
4056189	NONE		05643856	4076316	NONE		05675141	4090601	NONE		05740199
4089403	NONE		05740300	4088371	NONE		05764632	4245525	NONE		05874259
4165803	NONE		05886999	4221363	NONE		05949233	4225189	NONE		05962080
4202434	NONE		05968016	4253705	NONE		06047683	4270803	NONE		06077323
4310199	NONE		06077328	4281879	NONE		06078072	4299424	NONE		06099637
4296856	NONE		06109333	4316635	NONE		06153099	4339153	NONE		06159581
4380354	NONE		06242832	4531784	NONE		06476226	4520734	NONE		06524002
4556200	NONE		06529692	4489367	NONE		06532872	4582363	NONE		06567630
4546849	NONE		06603105	4633147	NONE		06719258	4641888	NONE		06722700
4753486	NONE		07009278	4840432	NONE		07076155	4816042	NONE		07101073
4898003	NONE		07264884	4936632	NONE		07325666	4953914	NONE		07329592

Correspondence name and address
	MCDERMOTT, WILL & EMERY
	111 WEST MONROE STREET
	CHICAGO, IL 60603-4067

Assignment: 3

Reel/Frame:	005252/0145			Pages:	4
		Recorded:	08/10/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

ENVIROTECH CORPORATION

Exec Dt:

07/31/1989

Assignee

TAMROCK WORLD CORPORATION N.V., C/O PIERSON, HELDRING & PIERSON

6 JOHN B. GORSIRAWEG

A CORP. OF THE NETHERLANDS ANTILLES

CURACAO, NETHERLANDS ANTILLES

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3827720	NONE		05347644	3827721	NONE		05347645	3874698	NONE		05347646
3911305	NONE		05358724	3939958	NONE		05431796	3893520	NONE		05435196
3865197	NONE		05437660	3880303	NONE		05461273	3865206	NONE		05461274
3908841	NONE		05497267	4074784	NONE		05497294	3990522	NONE		05589907
4118658	NONE		05790304	4117894	NONE		05793723	4079792	NONE		05806624
4284368	NONE		06004429	4265587	NONE		06060267	4447072	NONE		06330545
4465293	NONE		06437497	4439938	NONE		06549213	4588037	NONE		06680617
3756095	NONE		UNAVAILABLE	4079784	NONE		UNAVAILABLE	3756095	NONE		UNAVAILABLE
4108253	NONE		UNAVAILABLE	4108253	NONE		UNAVAILABLE

Correspondence name and address
	EVAN M. KENT
	MCDERMOTT, WILL & EMERY
	111 WEST MONROE STREET
	CHICAGO, ILLINOIS 60603-4067

Assignment: 4

Reel/Frame:	005136/0575			Pages:	3
		Recorded:	08/21/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

BAKER INTERNATIONAL CORPORATION

Exec Dt:

08/15/1989

Assignee

TAMROCK WORLD CORPORATION N.V., C/O PIERSON, HELDRING & PIERSON

6 JOHN B. GORSIRAWEG

A CORP. OF THE NETHERLANDS

CURACAO, NETHERLANDS ANTILLES

Property

Pat #

Pub #

Intl #

App #

4840432

NONE

07076155

Correspondence name and address
	EVAN M. KENT
	MCDERMOTT, WILL & EMERY
	111 WEST MONROE STREET
	CHICAGO, ILLINOIS 60603

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