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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
10/16/2007
Application #:
11081605
Filing Dt:
03/17/2005
Publication #:
Pub Dt:
06/15/2006
Inventors:
Adrian Steiner, Richard Allan McAlary, Ross Michael Krill
Title:
METHOD FOR THE CIRCULATION OF GAS WHEN DRILLING OR WORKING A WELL
Assignment: 1
Reel/Frame:
016411/0595Recorded: 03/31/2005Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
03/21/2005
Exec Dt:
03/21/2005
Exec Dt:
03/21/2005
Assignee:
4200. 150-6TH AVENUE
S.W. CALGARY, ALBERTA, CANADA T2P 3Y7
Correspondent:
MEREK, BLAKMON & VOORHEES, LLC
673 SOUTH WASHINGTON STREET
ALEXANDRIA, VA 22314
Assignment: 2
Reel/Frame:
016735/0393Recorded: 06/30/2005Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/04/2005
Assignee:
4200,150-6TH AVENUE
S.W. CALGARY, ALBERTA, CANADA T2P 3Y7
Correspondent:
MEREK, BLAKMON & VOORHEES, LLC
673 SOUTH WASHINGTON STREET
ALEXANDRIA, VA 22314
Assignment: 3
Reel/Frame:
017507/0031Recorded: 04/21/2006Pages: 19
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/31/2006
Assignee:
1917 A.-84 AVE.
EDMONTON, CANADA T6P1K1
Correspondent:
CRYSTAL TAYLOR
515 POST OAK BLVD.
SUITE 600
HOUSTON, TX 77027
Assignment: 4
Reel/Frame:
017527/0191Recorded: 04/26/2006Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/21/2006
Assignee:
2900 MANULIFE PLACE
10680-101 STREET
EDMONTON, CANADA T533V5
Correspondent:
CRYSTAL N. TAYLOR
515 POST OAK BLVD.
SUITE 600
HOUSTON, TX 77027

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