Patent Assignment Details
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| Reel/Frame: | 013996/0753 | |
| Pages: | 3 |
| | Recorded: | 11/21/2002 | | |
| 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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04/17/2007
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Application #:
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10296295
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Filing Dt:
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11/21/2002
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Publication #:
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Pub Dt:
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08/14/2003
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Title:
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DUAL VALVE WELL CONTROL IN UNDERBALANCED WELLS
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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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MOSER, PATTERSON, SHERIDAN, L.L.P.
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WILLIAM B. PATTERSON
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3040 POST OAK BOULEVARD, SUITE 1500
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HOUSTON, TX 77056
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