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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
11/07/2000
Application #:
08760573
Filing Dt:
12/04/1996
Inventor:
ZHIHONG ZHOU
Title:
PROCESS FOR REDUCING PERMEABILITY IN A SUBTERRANEAN FORMATION
Assignment: 1
Reel/Frame:
008365/0827Recorded: 02/21/1997Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/01/1996
Assignee:
800-6TH AVENUE, S.W., RESEARCH & EXTERNAL RELATIONS, 5TH FLOOR MONENCO PLACE
CALGARY, ALBERTA, CANADA T3P 3
Correspondent:
MILLEN, WHITE, ZELANO & BRINIGAN, P.C.
JOAN K. KLEIN
ARLINGTON COURTHOUSE, PLAZA I
2200 CLARENDON BOULEVARD
ARLINGTON, VA 22201
Assignment: 2
Reel/Frame:
027718/0571Recorded: 02/16/2012Pages: 8
Conveyance:
NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/26/2011
Assignee:
10020 - 101 A AVENUE
1800 PHIPPS MCKINNON BUILDING
EDMONTON, ALBERTA, CANADA T5J 3G2
Correspondent:
TERRENCE N. KUHARCHUK
1700, 10235-101 STREET
EDMONTON, ALBERTA, T5J 3G1 CANADA
Assignment: 3
Reel/Frame:
031641/0869Recorded: 11/20/2013Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/30/2012
Assignee:
250 KARL CLARK ROAD
EDMONTON, ALBERTA, CANADA T6N 1E4
Correspondent:
TERRENCE N. KUHARCHUK
1700, 10235-101 STREET
EDMONTON, ALBERTA, T5J 3G1 CANADA

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