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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04/03/2012
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Application #:
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12275396
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Filing Dt:
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11/21/2008
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Publication #:
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Pub Dt:
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05/27/2010
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Inventor:
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Erik P. Eriksen
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Title:
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METHOD AND APPARATUS FOR RETRIEVING AND INSTALLING A DRILL LOCK ASSEMBLY FOR CASING DRILLING
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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 AB, CANADA T2H 2B7 |
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BRACEWELL & GIULIANI LLP |
711 LOUISIANA STREET |
SUITE 2300 |
HOUSTON, TX 77002-2770 |
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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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