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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
01/25/2011
Application #:
12087058
Filing Dt:
06/25/2008
Publication #:
Pub Dt:
10/22/2009
Inventors:
Gregory E. Anderson, William J. Heaven
Title:
METHOD FOR TERMINATING OR REDUCING WATER FLOW IN A SUBTERRANEAN FORMATION
Assignment: 1
Reel/Frame:
023494/0216Recorded: 11/10/2009Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
11/02/2009
Exec Dt:
11/02/2009
Assignee:
1338 R 36TH AVENUE N.E.
CALGARY, ALBERTA, CANADA T2E 6T6
Correspondent:
ARNE I. FORS
100 KING STREET WEST
SUITE 1600, 1 FIRST CANADIAN PLACE
TORONTO, ONTARIO, M5X 1G5 CANADA
Assignment: 2
Reel/Frame:
028198/0159Recorded: 05/11/2012Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/20/2012
Assignee:
500, 140 - 10 AVE. S.E.
CALGARY, AB, CANADA T2G 0R1
Correspondent:
SUSAN M. BEN-OLIEL
2900-550 BURRARD STREET
VANCOUVER, V6C 0A3 CANADA
Assignment: 3
Reel/Frame:
029817/0826Recorded: 02/14/2013Pages: 9
Conveyance:
GRANT OF SECURITY INTEREST IN PATENTS
Assignor:
Exec Dt:
02/14/2013
Assignee:
50 SOUTH SIXTH STREET, SUITE 1290
MINNEAPOLIS, MINNESOTA 55402
Correspondent:
JULIE A. NEWMAN
125 BROAD STREET
SULLIVAN & CROMWELL LLP
NEW YORK, NY 10004
Assignment: 4
Reel/Frame:
041032/0175Recorded: 12/19/2016Pages: 9
Conveyance:
AMENDED AND RESTATED GRANT OF SECURITY INTEREST IN PATENTS
Assignor:
Exec Dt:
12/14/2016
Assignee:
50 SOUTH SIXTH STREET, SUITE 1290
MINNEAPOLIS, MINNESOTA 55402
Correspondent:
LATHAM & WATKINS LLP
650 TOWN CENTER DRIVE, SUITE 2000
COSTA MESA, CA 92626

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