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Patent Assignment Assignee Details

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Assignee Name : WATER DEVELOPMENT TECHNOLOGIES, INC.

Total Assignments: 3

Assignment: 1

Reel/Frame:	006827/0498			Pages:	6
		Recorded:	01/14/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

BAKER HUGHES OILFIELD OPERATIONS, INC.

Exec Dt:

10/18/1993

Assignee

WATER DEVELOPMENT TECHNOLOGIES, INC.

1202 KENTUCKY AVENUE

WOODLAND, CALIFORNIA 95776

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4166034	NONE		05904038	4393830	NONE		05929165	4252189	NONE		06012669
4223749	NONE		06020807	4256190	NONE		06027934	4257648	NONE		06028041
4271915	NONE		06063840	4261425	NONE		06064046	4266619	NONE		06076194
4280558	NONE		06096755	4358248	NONE		06102857	4337158	NONE		06128736
4366988	NONE		06137855	4342364	NONE		06139403	4559911	NONE		06150456
4323119	NONE		06209527	4629135	NONE		06228225	4403665	NONE		06262650
4471838	NONE		06348880	4527637	NONE		06505954	4544031	NONE		06544102
4566800	NONE		06570394	4487554	NONE		06582158	4615400	NONE		06725648
4693326	NONE		06736079	4695231	NONE		06787492	4693325	NONE		06848945
4652309	NONE		06874535	4702315	NONE		06900587	4830758	NONE		06938002
4791899	NONE		07006481	4848486	NONE		07064983	4778279	NONE		07087425
4780138	NONE		07128454	4817712	NONE		07173248	4883532	NONE		07222895
4885098	NONE		07263040	4096762	NONE		UNAVAILABLE	4073353	NONE		UNAVAILABLE
4218849	NONE		UNAVAILABLE	4091988	NONE		UNAVAILABLE	4023628	NONE		UNAVAILABLE
4026481	NONE		UNAVAILABLE	4156470	NONE		UNAVAILABLE

Correspondence name and address
	TOWNSEND AND TOWNSEND KHOURIE AND CREW
	JENS E. HOEKENDIJK
	20TH FLOOR, STEUART STREET TOWER
	ONE MARKET PLAZA
	SAN FRANCISCO, CA 94105-1492

Assignment: 2

Reel/Frame:	006830/0137			Pages:	3
		Recorded:	01/14/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

BAKER HUGHES OILFIELD OPERATIONS, INC.

Exec Dt:

11/22/1993

Assignee

WATER DEVELOPMENT TECHNOLOGIES, INC.

1202 KENTUCKY AVENUE

WOODLAND, CALIFORNIA 95776

Property

Pat #

Pub #

Intl #

App #

4265129

NONE

06027935

Correspondence name and address
	JENS E. HOEKENDIJK
	TOWNSEND & TOWNSEND, KHOURIE & CREW
	STEUART STREET TOWER, 20TH FLOOR
	ONE MARKET PLAZA
	SAN FRANCISCO, CA 94105-1492

Assignment: 3

Reel/Frame:	007134/0219			Pages:	3
		Recorded:	09/02/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

BARROW, JEFFREY C.

Exec Dt:

08/25/1994

Assignee

WATER DEVELOPMENT TECHNOLOGIES, INC.

220 N. EAST STREET

WOODLAND, CALIFORNIA 95776

Property

Pat #

Pub #

Intl #

App #

5417290

NONE

08300251

Correspondence name and address
	LOTHROP & WEST
	ROBERT G. WEST
	555 CAPITOL MALL, SUITE 1400
	SACRAMENTO, CALIFORNIA 95814

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