Patent Assignment Details
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| Reel/Frame: | 004413/0203 | |
| Pages: | 2 |
| | Recorded: | 05/31/1985 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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01/20/1987
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Application #:
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06740110
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Filing Dt:
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05/31/1985
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Title:
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METHODS AND APPARATUS FOR CONTROLLED DIRECTIONAL DRILLING OF BOREHOLES
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Assignee
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| 5000 GULF FREEWAY |
| P.O. BOX 1472, A CORP OF TX |
| HOUSTON, TEXAS 77001 |
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Correspondence name and address
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PATENT COUNSEL
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SCHLUMBERGER LIMITED
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205 INDUSTRIAL RD.
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SUGAR LAND, TX 77478
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