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Patent Assignment Abstract of Title
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Total Assignments: 6
Patent #:
Issue Dt:
07/24/2001
Application #:
09538138
Filing Dt:
03/29/2000
Inventors:
Perry E. Massner, Darren L. Stang
Title:
Hydraulic drilling jar
Assignment: 1
Reel/Frame:
010914/0296Recorded: 07/11/2000Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
05/03/2000
Exec Dt:
06/23/2000
Assignee:
1507 - 4TH STREET, NISKU
ALBERTA, CANADA T9E 7
Correspondent:
MEREK & VOORHEES
DAVID H. VOORHEES
643-B SOUTH WASHINGTON STREET
ALEXANDRIA, VA 22314
Assignment: 2
Reel/Frame:
014506/0446Recorded: 09/12/2003Pages: 15
Conveyance:
SECURITY AGREEMENT
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: 3
Reel/Frame:
015215/0001Recorded: 04/13/2004Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/24/2004
Assignee:
1507-4TH STREET
NISKU, ALBERTA, CANADA T9E 7M9
Correspondent:
MEREK, BLACKMON & VOORHEES, LLC
DAVID H. VOORHEES
673 SOUTH WASHINGTON STREET
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:
015215/0017Recorded: 04/13/2004Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/24/2004
Assignee:
1507-4TH STREET
NISKU, ALBERTA, CANADA T9E 7M9
Correspondent:
MEREK, BLACKMON & VOORHEES, LLC
673 SOUTH WASHINGTON STREET
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:
014892/0194Recorded: 07/23/2004Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/08/2004
Assignee:
1507 - 4 STREET
NISKU, ALBERTA, CANADA T9E 7M9
Correspondent:
CHRISTENSEN, O'CONNOR, JOHNSON, KINDNESS
1420 FIFTH AVENUE
SUITE 2800
SEATTLE, WA 98101-2347
ATTN: KEVAN L. MORGAN
Assignment: 6
Reel/Frame:
020876/0333Recorded: 04/30/2008Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/29/2007
Assignee:
10000 RICHMOND AVENUE, SUITE 400
HOUSTON, TEXAS 77042
Correspondent:
CONLEY ROSE, P.C.
P.O. BOX 3267
HOUSTON, TX 77253-3267

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