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Patent Assignment Assignor Details

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Assignor Name : TAPP, WILLIAM T.

Total Assignments: 9

Assignment: 1

Reel/Frame:	004226/0794			Pages:	1
		Recorded:	02/03/1984
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignors

TAPP, WILLIAM T.

Exec Dt:

02/03/1984

ROBERTS, WILLIAM M.

Exec Dt:

02/03/1984

Assignee

ELDER, INC., A CORP OF TX

Property

Pat #

Pub #

Intl #

App #

4565247

NONE

06576820

Correspondence name and address
	CHARLES W. HANOR
	COX & SMITH INCORP.
	600 NATL. BANK OF COMMERCE BLDG.
	SAN ANTONIO, TX 78205

Assignment: 2

Reel/Frame:	005082/0355			Pages:	3
		Recorded:	04/28/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignors

BROOKS, ROBERT T.

Exec Dt:

04/07/1989

TAPP, WILLIAM T.

Exec Dt:

04/07/1989

Assignee

ELDER OIL TOOLS, A CORP. OF TX

YORKTOWN, TEXAS

Property

Pat #

Pub #

Intl #

App #

4967844

NONE

07344671

Correspondence name and address
	DONALD H. FIDLER
	8955 KATY FRWY., #201
	HOUSTON, TX 77024

Assignment: 3

Reel/Frame:	005405/0921			Pages:	2
		Recorded:	08/24/1990
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignors

ANTONACCI, PAUL N.

Exec Dt:

07/18/1990

EATON, GERALDINE M.

Exec Dt:

07/18/1990

MORRIS, DELORES R.

Exec Dt:

07/18/1990

TAPP, WILLIAM T.

Exec Dt:

07/17/1990

Assignee

AMOCO CORPORATION, A CORP. OF IN.

CHICAGO, ILLINOIS

Property

Pat #

Pub #

Intl #

App #

5073436

NONE

07556354

Correspondence name and address
	AMOCO CORPORATION
	PATENTS AND LICENSING DEPT.
	MAIL CODE 1907A
	200 EAST RANDOLPH DR., P.O. BOX 87703
	CHICAGO, IL 60680-0703

Assignment: 4

Reel/Frame:	006017/0573			Pages:	2
		Recorded:	02/24/1992
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

TAPP, WILLIAM T.

Exec Dt:

08/22/1991

Assignee

AMOCO CORPORATION

A CORPORATION OF IN

CHICAGO, ILLINOIS

Property

Pat #

Pub #

Intl #

App #

5169712

NONE

07749215

Correspondence name and address
	AMOCO CORPORATION
	ATTN: DOCKET CLERK, MAIL CODE 1907A
	200 EAST RANDOLPH
	CHICAGO, IL 60680-0703

Assignment: 5

Reel/Frame:	006021/0970			Pages:	2
		Recorded:	02/24/1992
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignors

JACOBY, PHILIP

Exec Dt:

08/20/1991

BAUER, CHARLES W.

Exec Dt:

08/20/1991

CLINGMAN, SCOTT R.

Exec Dt:

08/20/1991

TAPP, WILLIAM T.

Exec Dt:

08/22/1991

Assignee

AMOCO CORPORATION, AN IN CORP.

CHICAGO, ILLINOIS

Property

Pat #

Pub #

Intl #

App #

5176953

NONE

07749213

Correspondence name and address
	AMOCO CORPORATION
	200 EAST RANDOLPH
	CHICAGO, IL 60680-0703

Assignment: 6

Reel/Frame:	006235/0193			Pages:	4
		Recorded:	08/06/1992
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

TAPP, WILLIAM T.

Exec Dt:

07/24/1992

Assignee

ELDER OIL TOOLS, A CORPORATION OF TX

YORKTOWN, TEXAS

Property

Pat #

Pub #

Intl #

App #

5332038

NONE

07925173

Correspondence name and address
	DONALD H. FIDLER
	FIDLER, MARNOCK & ROSS
	8955 KATY FREEWAY, STE. 201
	HOUSTON, TX 77024

Assignment: 7

Reel/Frame:	006394/0120			Pages:	4
		Recorded:	01/21/1993
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignors

JACOBY, PHILIP

Exec Dt:

12/24/1992

TAPP, WILLIAM T.

Exec Dt:

12/28/1992

Assignee

AMOCO CORPORATION

200 EAST RANDOLPH DRIVE

P.O. BOX 87703

CHICAGO, ILLINOIS 60680-0703

Property

Pat #

Pub #

Intl #

App #

5317035

NONE

07993300

Correspondence name and address
	MATTHEW R. HOOPER
	AMOCO CORPORATION
	PATENTS AND LICENSING DEPARTMENT
	200 EAST RANDOLPH DR., P.O. BOX 87703
	CHICAGO, IL 60680-0703

Assignment: 8

Reel/Frame:	006611/0697			Pages:	7
		Recorded:	04/27/1993
Conveyance:	CORRECTED ASSIGNMENT (SN & FILING DT).

Assignors

JACOBY, PHILIP

Exec Dt:

12/24/1992

TAPP, WILLIAM T.

Exec Dt:

12/28/1992

Assignee

AMOCO CORPORATION

200 E. RANDOLPH DRIVE

PATENTS & LICENSING DEPT.

CHICAGO, ILLINOIS 60601

Property

Pat #

Pub #

Intl #

App #

5236963

NONE

07998450

Correspondence name and address
	CAROL A. WILSON
	AMOCO CORPORATION
	MAIL CODE 1907A, 200 EAST RANDOLPH DR.
	CHICAGO, IL 60601

Assignment: 9

Reel/Frame:	008652/0992			Pages:	3
		Recorded:	04/08/1997
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

TAPP, WILLIAM T.

Exec Dt:

04/04/1997

Assignee

BAKER HUGHES INCORPORATED

3900 ESSEX LANE

HOUSTON, TEXAS 77027

Property

Pat #

Pub #

Intl #

App #

5826652

NONE

08826840

Correspondence name and address
	ROSENBLATT & REDANO, P.C.
	STEVE ROSENBLATT
	ONE GREENWAY PLAZA
	SUITE 500
	HOUSTON, TX 77046

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