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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10/05/2010
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Application #:
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11869544
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Filing Dt:
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10/09/2007
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Publication #:
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Pub Dt:
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03/20/2008
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Inventors:
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Detlef Hahn, Volker Peters, Cedric Rouatbi, Heiko Eggers
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Title:
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OSCILLATING SHEAR VALVE FOR MUD PULSE TELEMETRY
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 2929 ALLEN PARKWAY, SUITE 2100 |
| HOUSTON, TEXAS 77019-2118 |
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| MADAN, MOSSMAN & SRIRAM, P.C. |
| 2603 AUGUSTA, SUITE 700 |
| HOUSTON, TX 77057-5662 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 2929 ALLEN PARKWAY, SUITE 2100 |
| HOUSTON, TEXAS 77019-2118 |
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| MADAN, MOSSMAN & SRIRAM, P.C. |
| 2603 AUGUSTA, SUITE 700 |
| HOUSTON, TX 77057-5662 |
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