Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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05/10/2011
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Application #:
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12661971
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Filing Dt:
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03/27/2010
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Inventors:
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Vikrant Bhavanishankar Wagle, Shadaab Syed Maghrabi
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Title:
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INVERT EMULSION DRILLING FLUIDS COMPRISING QUATERNARY AMMONIUM EMULSIFIERS AND ARGILLACEOUS SOLIDS AND METHODS OF DRILLING BOREHOLES
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Assignment:
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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10200 BELLAIRE BOULEVARD |
HOUSTON, TEXAS 77072-5206 |
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KAREN B. TRIPP, ATTORNEY AT LAW |
P.O. BOX 1301 |
HOUSTON, TEXAS 77251-1301 |
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