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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
NONE
Issue Dt:
Application #:
12669178
Filing Dt:
05/31/2010
Publication #:
Pub Dt:
10/07/2010
Inventor:
Kewei Zhang
Title:
RESIN COATED PROPPANT SLURRY COMPOSITIONS AND METHODS OF MAKING AND USING SAME
Assignment: 1
Reel/Frame:
024441/0378Recorded: 05/26/2010Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/24/2008
Assignee:
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, CANADA T2P 4G8
Correspondent:
NICHOLAS J. LANDAU
ONE FEDERAL PLACE
1819 FIFTH AVENUE NORTH
BIRMINGHAM, AL 35203-2119
Assignment: 2
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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