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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11/02/2010
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Application #:
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11765895
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Filing Dt:
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06/20/2007
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Publication #:
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Pub Dt:
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12/20/2007
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Inventor:
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David Antony Ballard
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Title:
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HIGHLY BRANCHED POLYMERIC MATERIALS AS SURFACTANTS FOR OIL-BASED MUDS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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5950 NORTH COURSE DRIVE |
HOUSTON, TEXAS 77010 |
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JEFFREY S. BERGMAN |
1221 MCKINNEY STREET SUITE 2800 |
HOUST, TX 77010 |
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Assignment:
2
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CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S ZIP CODE PREVIOUSLY RECORDED ON REEL 019485 FRAME 0699. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
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5950 NORTH COURSE DRIVE |
HOUSTON, TEXAS 77072 |
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JEFFREY S. BERGMAN |
1221 MCKINNEY STREET SUITE 2800 |
HOUSTON, TX 77010 |
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