Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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09/09/1986
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Application #:
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06739884
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Filing Dt:
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05/31/1985
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Inventors:
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JEFFERY E. DALY, PAUL E. PASTUSEK
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Title:
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DRILL BIT HAVING A FAILURE INDICATOR
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Assignment:
1
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| VINSON & ELKINS |
| 3300 FIRST CITY TOWER |
| 1001 FANNIN STREET |
| HOUSTON, TX. 77002-6760 |
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Assignment:
2
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| VINSON & ELKINS |
| 3300 FIRST CITY TOWER |
| 1001 FANNIN STREET |
| HOUSTON, TX. 77002-6760 |
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Assignment:
3
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MERGER (SEE DOCUMENT FOR DETAILS).
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| 7030 ARDMORE |
| HOUSTON, TEXAS 77054 |
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| SCHLUMBERGER OILFIELD SERVICES |
| JEFFERY E. DALY |
| 7211 N. GESSNER |
| HOUSTON, TEXAS 77040 |
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Assignment:
4
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MERGER (SEE DOCUMENT FOR DETAILS).
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| 7030 ARDMORE |
| HOUSTON, TEXAS 77054 |
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| SCHLUMBERGER OILFIELD SERVICES |
| JEFFERY E. DALY |
| 7211 N. GESSNER |
| HOUSTON, TEXAS 77040 |
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