Patent Assignment Abstract of Title
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Total Assignments:
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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Inventor:
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LAWRENCE J. LEISING
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Title:
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METHODS AND APPARATUS FOR CONTROLLED DIRECTIONAL DRILLING OF BOREHOLES
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 5000 GULF FREEWAY |
| P.O. BOX 1472, A CORP OF TX |
| HOUSTON, TEXAS 77001 |
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| PATENT COUNSEL |
| SCHLUMBERGER LIMITED |
| 205 INDUSTRIAL RD. |
| SUGAR LAND, TX 77478 |
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