Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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01/13/2009
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Application #:
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11279223
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Filing Dt:
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04/10/2006
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Publication #:
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Pub Dt:
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03/08/2007
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Inventors:
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Per G. Angman, Robert M. Tessari
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Title:
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METHOD FOR DRILLING WITH CASING
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 6204 - 6A STREET SE |
| CALGARY, CANADA T2H 2B7 |
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| ROSEANN B. CALDWELL, BENNETT JONES LLP |
| 4500 BANKERS HALL EAST, 855-2ND ST. SW |
| CALGARY, T2P 4K7 CANADA |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 300 SCHLUMBERGER DRIVE |
| SUGAR LAND, TEXAS 77478 |
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| JEFFREY S. BERGMAN |
| 909 FANNIN |
| SUITE 3500 |
| HOUSTON, TX 77010 |
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