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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
08/18/1987
Application #:
06777322
Filing Dt:
09/18/1985
Inventors:
THOMAS J. POORMAN, DAVID GRISSOM, EDWARD F. CAROME
Title:
OPTICAL SYSTEM FOR DETECTING ACOUSTIC WAVE ENERGY IN A FLUID MEDIUM
Assignment: 1
Reel/Frame:
004461/0527Recorded: 09/18/1985Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
08/19/1985
Exec Dt:
08/20/1985
Exec Dt:
09/08/1985
Assignee:
A CORP OF DE
HOUSTON, TEXAS
Correspondent:
ROBERT E. LOWE
P. O. BOX 2469
HOUSTON, TX 77252
Assignment: 2
Reel/Frame:
004725/0239Recorded: 05/11/1987Pages: 30
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
04/30/1987
Assignee:
10,001 RICHMOND AVE.
HOUSTON, TEXAS 77042
Correspondent:
WESTERN ATLAS INTERNATIONAL, INC.,
P.O. BOX 2469
HOUSTON, TX 77252
Assignment: 3
Reel/Frame:
012822/0001Recorded: 04/03/2002Pages: 131
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/14/2001
Assignee:
P.O. BOX 2469, HOUSTON, TX 77252-2469
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Correspondent:
WESTERNGECO INTELLECTUAL PROPERTY DEPT.
DAVID S. FIGATNER
P. O. BOX 2469
10001 RICHMOND AVENUE
HOUSTON, TX 77042-4299

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