Patent Assignment Details
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Reel/Frame: | 012358/0390 | |
| Pages: | 6 |
| | Recorded: | 10/25/2001 | | |
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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07/08/2003
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Application #:
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09920430
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Filing Dt:
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08/01/2001
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Publication #:
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Pub Dt:
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03/21/2002
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Title:
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METHOD AND APPARATUS TO REDUCE TRAPPED PRESSURE IN A DOWNHOLE TOOL
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Assignee
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14910 AIRLINE ROAD |
ROSHARON, TEXAS 77583 |
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Correspondence name and address
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SCHLUMBERGER TECHNOLOGY CORPORATION
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JEFFREY E. GRIFFIN
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PO BOX 1590
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ROSHARON, TEXAS 77583-1590
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