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Patent Assignment Assignee Details

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Assignee Name : HYDROTECH INTERNATIONAL, INC.

Total Assignments: 6

Assignment: 1

Reel/Frame:	004384/0386			Pages:	5
		Recorded:	04/08/1985
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

LDIBOLL, EUGENE B., COLLINS DIBOLL AND POLACK, ROSENBERG, RITTENBERG AND ENDOM, A PARTNERSHIP

Exec Dt:

12/30/1974

Assignee

HYDROTECH INTERNATIONAL, INC.

HOUSTON, TEXAS

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

3393926

NONE

04370269

3598429

NONE

04815831

3713204

NONE

05033494

Correspondence name and address
	HUGHES TOOL DIVISION
	PO BOX 2539
	HOUSTON, TX 77001

Assignment: 2

Reel/Frame:	004378/0827			Pages:	3
		Recorded:	03/21/1985
Conveyance:	RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).

Assignors

COMPAGNIE MARITIME D'EXPERTISE S.A.,

Exec Dt:

11/27/1979

COMEX MARINE SERVICES, INC.

Exec Dt:

11/27/1979

Assignees

HYDROTECH INTERNATIONAL, INC.

HYDROTECH SYSTEMS, INC.

HYDROTECH PRODUCTION SERVICES, INC.

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

3999782

NONE

05606421

4040650

NONE

05634767

4142739

NONE

05788159

4209270

NONE

05970791

4209270

NONE

05970791

Correspondence name and address
	HUGHES TOOL DIVISION
	P.O. BOX 2539
	HOUSTON, TX. 77001

Assignment: 3

Reel/Frame:	004378/0830			Pages:	3
		Recorded:	03/21/1985
Conveyance:	U.S. DISTRICT JUDGE FROM THE CLERK, U.S. DISTRICT COURT SOUTHERN DISTRICT OF TEXAS GRANTING SAID PAPENT IN FAVOR OF ASSIGNEE

Assignors

COMPAGNIE MARITIME D'EXPERTISE, S.A.

Exec Dt:

01/30/1980

COMEX MARINE SERVICES, INC.

Exec Dt:

01/30/1980

Assignee

HYDROTECH INTERNATIONAL, INC.

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

3999782

NONE

05606421

4040650

NONE

05634767

4142739

NONE

05788159

4209270

NONE

05970791

4209270

NONE

05970791

Correspondence name and address
	HUGHES TOOL DIVISION
	P.O. BOX 2539
	HOUSTON, TX. 77001

Assignment: 4

Reel/Frame:	004378/0833			Pages:	5
		Recorded:	03/21/1985
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignors

COMPAGNIE MARITIME D'EXPERTISE, INC.

Exec Dt:

01/30/1980

COMEX MARINE SERVICES, INC.

Exec Dt:

01/30/1980

Assignee

HYDROTECH INTERNATIONAL, INC.

A DE CORP.

HOUSTON, TEXAS

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

3999782

NONE

05606421

4040650

NONE

05634767

4142739

NONE

05788159

4209270

NONE

05970791

4209270

NONE

05970791

Correspondence name and address
	HUGHES TOOL COMPANY
	P.O. BOX 2539
	HOUSTON, TX. 77001

Assignment: 5

Reel/Frame:	003800/0408			Pages:	2
		Recorded:	09/03/1980
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignors

ADKINS DAVID E.

Exec Dt:

08/29/1980

CHIN ARTHUR H. T.

Exec Dt:

08/29/1980

HAWS RONNIE E.

Exec Dt:

08/29/1980

WITTMAN ROBERT H.

Exec Dt:

08/29/1980

Assignee

HYDROTECH INTERNATIONAL, INC.

A CORP. OF DE.

HOUSTON, TEXAS

Property

Pat #

Pub #

Intl #

App #

4332277

NONE

06183828

Correspondence name and address
	LEE R. LARKIN
	2500 EXXON BLDG.
	HOUSTON, TX 77002

Assignment: 6

Reel/Frame:	003928/0033			Pages:	9
		Recorded:	12/07/1981
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignors

FIRST NATIONAL BANK OF CHICAGO

Exec Dt:

10/24/1980

TEXAS COMMERCE BANK NATIONAL ASSOCIATION

Exec Dt:

10/24/1980

Assignee

HYDROTECH INTERNATIONAL, INC.

TEXAS

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3393926	NONE		04370269	3598429	NONE		04815831	3566505	NONE		04831576
3713204	NONE		05033494	3707025	NONE		05065648	3695634	NONE		05081681
3744822	NONE		05106726	3713675	NONE		05106727	3704033	NONE		05106854
3711123	NONE		05106856	3784234	NONE		05189982	3737179	NONE		05219413
3780421	NONE		05281467	3842612	NONE		05290455	3874706	NONE		05290953
3876852	NONE		05354358	3830526	NONE		05354525	3860270	NONE		05354798
3844313	NONE		05354800	3933519	NONE		05464037	3931670	NONE		05464105
3921672	NONE		05484793	3986728	NONE		05507030	3997197	NONE		05513056
3997199	NONE		05554604	3977702	NONE		05557969	4045054	NONE		05558427
3944263	NONE		05558428	3924686	NONE		05558429	4006921	NONE		05585504
4005881	NONE		05602439	4014567	NONE		05611406	3978678	NONE		05622038
4028903	NONE		05631101	4014180	NONE		05633965	4076130	NONE		05662268
4044749	NONE		05682039	4091514	NONE		05682158	4059288	NONE		05719437
4078832	NONE		05752985	4116015	NONE		05755474	4116471	NONE		05790315
4089455	NONE		05790464

Correspondence name and address
	ANDREWS KURTH, ET AL
	2500 EXXON BLDG.
	HOUSTON, TX. 77002

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