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Trademark Assignment Details

Reel/Frame:1648/0740   Pages: 5
    Recorded: 10/29/1997
Conveyance: ASSIGNS THE ENTIRE INTEREST
Total properties: 6
1
Serial #:
Filing Dt:
01/08/1993
Reg #:
Reg. Dt:
03/28/1995
Mark:
TCRT
2
Serial #:
Filing Dt:
08/29/1994
Reg #:
Reg. Dt:
11/26/1996
Mark:
THROUGH CASING RESISTIVITY TOOL
3
Serial #:
Filing Dt:
11/14/1994
Reg #:
Reg. Dt:
07/08/1997
Mark:
MEASUREMENT-WHILE-DRILLING-BIT-STOPPED
4
Serial #:
Filing Dt:
11/14/1994
Reg #:
Reg. Dt:
11/04/1997
Mark:
PARAMAGNETIC LOGGING
5
Serial #:
Filing Dt:
11/14/1994
Reg #:
Reg. Dt:
07/15/1997
Mark:
PML
6
Serial #:
Filing Dt:
11/14/1994
Reg #:
Reg. Dt:
12/23/1997
Mark:
MWDS
Assignor
1
Exec Dt:
10/21/1997
Entity Type:
CORPORATION
Citizenship:
NONE
Assignee
1
P.O. BOX 1407
10205 WESTHEIMER ROAD
HOUSTON, TEXAS 77042-3115
Entity Type:
CORPORATION
Citizenship:
DELAWARE
Correspondence name and address
DARRYL M. SPRINGS
10205 WESTHEIMER ROAD
HOUSTON, TX 77042-3115

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