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Patent Assignment Abstract of Title
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Total Assignments: 7
Patent #:
Issue Dt:
09/02/1986
Application #:
06668980
Filing Dt:
11/07/1984
Inventors:
WILLIAM J. WACHTLER, THOMAS M. YANG
Title:
MWD TOOL FOR MEASURING WEIGHT AND TORQUE ON BIT
Assignment: 1
Reel/Frame:
004333/0211Recorded: 11/07/1984Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
10/29/1984
Exec Dt:
10/29/1984
Assignee:
651 RIVER OAKS PARKWAY
SANTA CLARA, CALIFORNIA 95134
Correspondent:
HAMRICK, HOFFMAN, GUILLOT & KAZUBOWSKI
777 NORTH FIRST ST., STE. 444
SAN JOSE, CA 95112
Assignment: 2
Reel/Frame:
005988/0650Recorded: 01/27/1992Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/23/1991
Assignee:
Correspondent:
BAKER, BROWN, SHARMAN & PARKER, L.L.P.
CITICORP CENTER
1200 SMITH - SUITE 3600
HOUSTON, TX 77002-4595
Assignment: 3
Reel/Frame:
009748/0654Recorded: 02/11/1999Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/31/1998
Assignee:
5295 HOLLISTER ROAD
HOUSTON, TEXAS 77040
Correspondent:
MADAN & MORRIS, P.L.L.C.
PAUL S. MADAN
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 4
Reel/Frame:
011874/0335Recorded: 03/05/2001Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/06/2000
Assignee:
1703-10TH AVENUE SW
CALGARY, CANADA T3C O
Correspondent:
ARNOLD & ASSOCIATES
GORDON T. ARNOLD
2603 AUGUSTA, SUITE 800
HOUSTON TEXAS 77056
Assignment: 5
Reel/Frame:
014506/0431Recorded: 09/12/2003Pages: 15
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/17/2003
Assignee:
1507 4TH STREET
C/O NQL DRILLING TOOLS, INC.
NISKU, ALBERTA T9E 7M9
Correspondent:
JULIE H. COOPER
2001 ROSS AVENUE, SUITE 3700
DALLAS, TX 75201
Assignment: 6
Reel/Frame:
015116/0519Recorded: 03/18/2004Pages: 5
Conveyance:
RELEASE OF SECURITY INTEREST
Assignor:
Exec Dt:
03/12/2004
Assignee:
1507 4TH STREET
C/O NQL DRILLING TOOLS, INC.
NISKU, ALBERTA T9E 7M9
Correspondent:
JULIE H. COOPER
2001 ROSS AVENUE, SUITE 3700
DALLAS, TX 75201
Assignment: 7
Reel/Frame:
014892/0200Recorded: 07/23/2004Pages: 5
Conveyance:
TRANSFER OF TITLE
Assignor:
Exec Dt:
07/08/2004
Assignee:
1507 4 STREET
NISKU, ALBERTA T93 7M9, CANADA
Correspondent:
CHRISTENSEN, O'CONNOR, JOHNSON, KINDNESS
1420 FIFTH AVENUE
SUITE 2800
SEATTLE, WA 98101-2347

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