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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
06/25/1985
Application #:
06447095
Filing Dt:
12/06/1982
Inventor:
FRED W. HEFER
Title:
HORIZONTAL GEOPHONE TRANSDUCER ASSEMBLY
Assignment: 1
Reel/Frame:
004077/0050Recorded: 01/10/1983Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
11/29/1982
Assignee:
A CORP OF TX.
HOUSTON, TEXAS
Correspondent:
MICHAEL P. BRESTON
STE. 122, 2537 SOUTH GESSNER
HOUSTON, TX 77063
Assignment: 2
Reel/Frame:
005521/0554Recorded: 11/13/1990Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
05/31/1984
Assignee:
7334 N. GESSNER ROAD
HOUSTON,, TEXAS 77040
Correspondent:
WILLIAM A. STOUT
FULBRIGHT & JAWORSKI
1301 MCKINNEY, STE. 5100
HOUSTON, TX 77010-3095
Assignment: 3
Reel/Frame:
004297/0771Recorded: 09/11/1984Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
08/31/1984
Assignee:
7334 N. GESSNER ROAD,
HOUSTON,, TEXAS
Correspondent:
MICHAEL P. BRESTON
2600 SOUTH GESSNER
SUITE 425
HOUSTON, TEXAS 77063
Assignment: 4
Reel/Frame:
005515/0115Recorded: 11/19/1990Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). 9-30-88 TEXAS
Assignor:
Exec Dt:
09/28/1988
Assignee:
Correspondent:
FULBRIGHT & JAWORSKI
1301 MC KINNEY - SUITE 5100
HOUSTON, TEXAS 77010-3095

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