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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
01/30/2007
Application #:
10649432
Filing Dt:
08/27/2003
Publication #:
Pub Dt:
03/03/2005
Inventors:
Denis Weisbeck, MacMillan Wisler, Wu Jian-Qun
Title:
ELECTROMAGNETIC MWD TELEMETRY SYSTEM INCORPORATING A CURRENT SENSING TRANSFORMER
Assignment: 1
Reel/Frame:
014447/0685Recorded: 08/27/2003Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
07/28/2003
Exec Dt:
07/28/2003
Exec Dt:
07/28/2003
Assignee:
4200, 150 - 6TH AVENUE SW
CALGARY, ALBERTA T2P 3Y7
Correspondent:
PATRICK H. MCCOLLUM
363 N. SAM HOUSTON PARKWAY EAST
SUITE 1700
HOUSTON, TEXAS 77060
Assignment: 2
Reel/Frame:
017507/0063Recorded: 04/21/2006Pages: 6
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/04/2005
Assignee:
4500, 150-6TH AVENUE SW
CALGARY, CANADA T2P3Y7
Correspondent:
CRYSTAL TAYLOR
515 POST OAK BLVD.
SUITE 600
HOUSTON, TX 77027
Assignment: 3
Reel/Frame:
017519/0043Recorded: 04/24/2006Pages: 20
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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