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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01/03/2012
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Application #:
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12252927
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Filing Dt:
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10/16/2008
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Publication #:
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Pub Dt:
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04/09/2009
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Inventors:
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Richard S. Polizzotti, Dennis George Peiffer, Barbara Carstensen, Michael J. Luton et al
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Title:
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COMPRESSIBLE OBJECTS HAVING A PREDETERMINED INTERNAL PRESSURE COMBINED WITH A DRILLING FLUID TO FORM A VARIABLE DENSITY DRILLING MUD
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| P.O. BOX 2189 |
| HOUSTON, TEXAS 77252-2189 |
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| EXXONMOBIL UPSTREAM RESEARCH COMPANY |
| P.O. BOX 2189 |
| HOUSTON, TX 77252-2189 |
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