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Patent Assignment Abstract of Title
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Total Assignments: 6
Patent #:
4922473
Issue Dt:
05/01/1990
Application #:
07333295
Filing Dt:
04/04/1989
Inventors:
JOHN J. SALLAS, RICHARD H. LUCE, MICHAEL A. CORRIGAN
Title:
ENCLOSURE FOR SUPPRESSION OF AIR-COUPLED NOISE PRODUCED BY SEISMIC VIBRATORS
Assignment: 1
Reel/Frame:
005059/0868Recorded: 04/04/1989Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
SALLAS, JOHN J.
Exec Dt:
04/03/1989
LUCE, RICHARD H.
Exec Dt:
04/03/1989
CORRIGAN, MICHAEL A.
Exec Dt:
04/03/1989
Assignee:
HALLIBURTON GEOPHYSICAL SERVICES, INC., 7800 BANNER DRIVE, DALLAS, TX 75251, A CORP. OF DE.
TEXAS
Correspondent:
HILARY E. PEARSON
ARNOLD, WHITE AND DURKEE
P. O. BOX 4433
HOUSTON,TX 77210
Assignment: 2
Reel/Frame:
006777/0052Recorded: 11/15/1993Pages: 11
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
HALLIBURTON GEOPHYSICAL SERVICES, INC.
Exec Dt:
11/10/1993
Assignee:
HALLIBURTON COMPANY
P.O. BOX 1431
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Correspondent:
HALLIBURTON ENERGY SERVICES
JAMES R. DUNZAN
P.O. BOX 1431
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Assignment: 3
Reel/Frame:
006970/0236Recorded: 03/28/1994Pages: 20
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
HALLIBURTON COMPANY
Exec Dt:
03/21/1994
Assignee:
WESTERN ATLAS INTERNATIONAL, INC.
10205 WESTHEIMER ROAD
HOUSTON, TEXAS 77042
Correspondent:
PAUL S. MADAN
WESTERN ATLAS INTERNATIONAL, INC.
10205 WESTHEIMER ROAD
HOUSTON, TX 77042
Assignment: 4
Reel/Frame:
007644/0138Recorded: 08/28/1995Pages: 41
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
WESTERN ATLAS INTERNATIONAL, INC.
Exec Dt:
06/30/1995
Assignee:
I/O EXPLORATION PRODUCTS, INC.
12300 PARC CREST DRIVE
STAFFORD, TEXAS 77477
Correspondent:
TIM HEADLEY
HAYNES AND BOONE, L.L.P.
4300 FIRST INTERSTATE BANK PLAZA
1000 LOUISIANA
HOUSTON, TX 77002
Assignment: 5
Reel/Frame:
007815/0841Recorded: 02/23/1996Pages: 56
Conveyance:
CORRECTED ASSIGNMENT
Assignor:
WESTERN ATLAS INTERNATIONAL, INC.
Exec Dt:
06/30/1995
Assignee:
I/O EXPLORATION PRODUCTS (U.S.A), INC.
12300 PARC CREST DRIVE
STAFFORD, TEXAS 77477
Correspondent:
HAYNES AND BOONE, L.L.P.
TIM HEADLEY
4300 FIRST INTERSTATE BANK PLAZA
1000 LOUISIANA
HOUSTON, TX 77002
Assignment: 6
Reel/Frame:
009245/0506Recorded: 06/08/1998Pages: 12
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
I/O EXPLORATION PRODUCTS (U.S.A.), INC.
Exec Dt:
02/12/1998
Assignee:
INPUT/OUTPUT, INC.
11104 WEST AIRPORT BLVD., SUITE 200
STAFFORD, TEXAS 77477
Correspondent:
HAYNES AND BOONE, L.L.P.
TIM HEADLEY
1000 LOUISIANA, SUITE 4300
HOUSTON, TX 77002-5012

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