Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 021257/0319 | |
| Pages: | 13 |
| | Recorded: | 07/18/2008 | | |
| Attorney Dkt #: | WEAT/0344.C1 AND 0344.C2 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
2
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Patent #:
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Issue Dt:
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11/02/2010
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Application #:
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11932430
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Filing Dt:
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10/31/2007
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Publication #:
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Pub Dt:
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04/24/2008
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Title:
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APPARATUS AND METHODS FOR DRILLING A WELLBORE USING CASING
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Patent #:
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Issue Dt:
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03/06/2012
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Application #:
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11932495
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Filing Dt:
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10/31/2007
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Publication #:
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Pub Dt:
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05/15/2008
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Title:
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APPARATUS AND METHODS FOR DRILLING A WELLBORE USING CASING
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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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