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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09/17/2013
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Application #:
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12921195
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Filing Dt:
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09/07/2010
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Publication #:
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Pub Dt:
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02/24/2011
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Inventor:
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John W. Chapman
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Title:
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VISCOSITY REDUCER FOR WATER-BASED MUDS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| JOHNSTONE HOUSE |
| 52-54 ROSE STREET |
| ABERDEEN, SCOTLAND, UNITED KINGDOM AB10 1UD |
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| M-I L.L.C. |
| 5950 NORTH COURSE DRIVE |
| HOUSTON, TX 77072 |
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