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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
02/13/2001
Application #:
09351514
Filing Dt:
07/12/1999
Inventor:
JOSEF PAFFENHOLZ
Title:
METHOD AND SYSTEM FOR DERIVING RECEIVER SEPERATION AND DEPTH DUAL PHONE SEISMIC SURVEYS
Assignment: 1
Reel/Frame:
010285/0031Recorded: 10/05/1999Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/09/1999
Assignee:
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Correspondent:
GERALD E. LESTER
22107 FIELDER
KATY, TEXAS 77450
Assignment: 2
Reel/Frame:
014294/0620Recorded: 07/18/2003Pages: 3
Conveyance:
SEE RECORDING AT REEL 014301 FRAME 0685. (DOCUMENT RECORDED OVER TO CORRECT THE RECORDATION DATE FROM 07-18-2003 TO 07-21-2003)
Assignor:
Exec Dt:
03/18/2003
Assignee:
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042-4299
Correspondent:
DAVID S. FIGATNER
WESTERNGECO INTELLECTUAL PROPERTY ET AL
10001 RICHMOND AVENUE
P.O. BOX 2469
HOUSTON, TX 77042-4299
Assignment: 3
Reel/Frame:
014301/0685Recorded: 07/21/2003Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/18/2003
Assignee:
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042-4299
Correspondent:
DAVID S. FIGATNER
WESTERNGECO INTELLECTUAL PROPERTY DEPT.
10001 RICHMOND AVENUE
HOUSTON, TX 77042-4299

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