Patent Assignment Details
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| Reel/Frame: | 005959/0017 | |
| Pages: | 2 |
| | Recorded: | 01/13/1992 | | |
| 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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08/25/1992
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Application #:
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07613639
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Filing Dt:
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11/30/1990
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Title:
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METHOD AND EQUIPMENT FOR DRILLING CONTROL BY VIBRATION ANALYSIS
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Assignee
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| DEPARTEMENT PROPRIETE INDUSTRIELLE TOUR ELF - CEDEX 45 |
| 92078 PARIS LA DEFENSE, FRANCE |
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Correspondence name and address
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BACON & THOMAS
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625 SLATERS LANE, 4TH FLOOR
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ALEXANDRIA, VA 22314
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