Patent Assignment Details
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| Reel/Frame: | 007270/0141 | |
| Pages: | 3 |
| | Recorded: | 12/30/1994 | | |
| 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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09/03/1996
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Application #:
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08290940
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Filing Dt:
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11/21/1994
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Title:
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DETERMINATION OF DRILL BIT RATE OF PENETRATION FROM SURFACE MEASUREMENTS
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Assignee
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| 110 SCHLUMBERGER DRIVE |
| SUGAR LAND, TEXAS 77478 |
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Correspondence name and address
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WAYNE I. KANAK
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PATENT COUNSEL
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ANADRILL SCHLUMBERGER
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200 GILLINGHAM LANE
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SUGAR LAND, TX 77478
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