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Patent Assignment Abstract of Title

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Total Assignments: 2

Patent #:	6415877	Issue Dt:	07/09/2002	Application #:	09353275	Filing Dt:	07/14/1999
Inventors:	ROGER W. FINCHER, ROLAND MAY, PETER FONTANA, LARRY WATKINS, JAMES W. MCFARLANE
Title:	SUBSEA WELLBORE DRILLING SYSTEM FOR REDUCING BOTTOM HOLE PRESSURE

Assignment: 1

Reel/Frame:

010811/0079

Recorded: 05/16/2000

Pages: 7

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

FONTANA, PETER

Exec Dt:

03/10/2000

MACFARLANE, JAMES W.

Exec Dt:

03/10/2000

FINCHER, ROGER W.

Exec Dt:

03/10/2000

WATKINS, LARRY

Exec Dt:

03/10/2000

MAY, ROLAND

Exec Dt:

04/19/2000

Assignee:

DEEP VISION LLC

4 GREENWAY PLAZA, 10TH FLOOR

HOUSTON, TEXAS 77046

Correspondent:

MADAN, MOSSMAN & SRIRAM, P.C.

STEVEN G. MORGAN

2603 AUGUSTA,

SUITE 700

HOUSTON, TEXAS 77057

Assignment: 2

Reel/Frame:

023220/0948

Recorded: 09/15/2009

Pages: 6

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor:

DEEP VISION LLC

Exec Dt:

09/01/2004

Assignee:

BAKER HUGHES INCORPORATED

3900 ESSEX LANE, 12TH FLOOR

HOUSTON, TEXAS 77027

Correspondent:

TIMOTHY M. DONOUGHUE

PO BOX 4740

HOUSTON, TX 77210-4740

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