Patent Assignment Details
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| Reel/Frame: | 025724/0569 | |
| Pages: | 11 |
| | Recorded: | 01/31/2011 | | |
| Attorney Dkt #: | WEAT/0765USC1 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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02/28/2012
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Application #:
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12949170
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Filing Dt:
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11/18/2010
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Publication #:
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Pub Dt:
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05/19/2011
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Title:
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ANNULUS PRESSURE CONTROL DRILLING SYSTEMS AND METHODS
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Assignee
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| 515 POST OAK BOULEVARD, SUITE 600 |
| HOUSTON, TEXAS 77027 |
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Correspondence name and address
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WILLIAM B. PATTERSON
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3040 POST OAK BLVD., SUITE 1500
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HOUSTON, TX 77056
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