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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
11/30/1999
Application #:
08929256
Filing Dt:
09/15/1997
Inventors:
JOHN WESLEY BOYD, JOHN BALSLEV JORGENSEN, VICTOR FREEMAN MAXWELL
Title:
PROCESS AND SEAL FOR MINIMIZING INTERZONAL MIGRATION IN BOREHOLES
Assignment: 1
Reel/Frame:
008837/0750Recorded: 11/28/1997Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
11/07/1997
Exec Dt:
11/07/1997
Exec Dt:
11/07/1997
Assignee:
#603, 630 - 6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 0
Correspondent:
BENNETT JONES VERCHERE
ROSEANN B. CALDWELL
SUITE 4500, 855 - 2ND STREET, S.W.
CALGARY, ALBERTA, CANADA T2P 4K7
Assignment: 2
Reel/Frame:
020206/0480Recorded: 12/07/2007Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/30/2007
Assignee:
SUITE 2900, 645 - 7TH AVENUE SW
CALGARY, CANADA T2P 4G8
Correspondent:
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 3
Reel/Frame:
037482/0702Recorded: 01/13/2016Pages: 20
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/15/2015
Assignee:
600, 530 - 8TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3S8
Correspondent:
ANNIE AYMOND-NORTON ROSE FULBRIGHT USLLP
1301 MCKINNEY STREET
HOUSTON, TX 77010

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