Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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03/27/2012
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Application #:
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12529661
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Filing Dt:
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09/10/2009
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Publication #:
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Pub Dt:
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04/08/2010
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Inventors:
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Michael G. Tulissi, Samuel Luk, Jason Vaughan, David J. Browne, Dale Dusterhoft
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Title:
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FRACTURING METHOD AND APPARATUS UTILIZING GELLED ISOLATION FLUID
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 645-7TH AVENUE S.W. |
| SUITE 2900 |
| CALGARY, ALBERTA, CANADA T2P 4G8 |
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| NICHOLAS J LANDAU |
| 1819 FIFTH AVENUE NORTH |
| BIRMINGHAM, AL 35203 |
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Assignment:
2
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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| 600, 530 - 8TH AVENUE S.W. |
| CALGARY, ALBERTA, CANADA T2P 3S8 |
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| ANNIE AYMOND-NORTON ROSE FULBRIGHT USLLP |
| 1301 MCKINNEY STREET |
| HOUSTON, TX 77010 |
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Assignment:
3
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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| 520 - 3RD AVENUE SW |
| SUITE 4000 |
| CALGARY, CANADA T2P 0R3 |
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| NORTON ROSE FULBRIGHT CANADA LLP |
| 2500-1 PLACE VILLE-MARIE |
| MONTRÉAL, PQC H3B 1R1 |
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