Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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05/05/1998
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Application #:
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08602485
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Filing Dt:
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02/20/1996
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Inventors:
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KENNETH HAVLINEK, THOMAS D. MACDOUGALL, ALAN SALLWASSER, MILES JAROSKA, DUANE LADUE et al
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Title:
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METHOD AND APPARATUS FOR CHANGING BITS WHILE DRILLING WITH A FLEXIBLE SHAFT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 110 SCHLUMBERGER DRIVE |
| SUGAR LAND, TEXAS 77478 |
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| SCHLUMBERGER TECHNOLOGY CORPORATION |
| DARCELL WALKER |
| 110 SCHLUMBERGER DRIVE |
| SUGAR LAND, TX 77478 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 8600 WEST BRYN MAWR AVENUE |
| CHICAGO, ILLINOIS 60631 |
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| GAS RESEARCH INSTITUTE |
| BRIGITTE L. JEFFREY |
| 8600 WEST BRYN MAWR AVENUE |
| CHICAGO, IL 60631 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 1700 SOUTH MOUNT PROSPECT ROAD |
| DE PLAINES, ILLINOIS 60018 |
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| MARK E. FEJER |
| GAS TECHNOLOGY INSTITUTE |
| 1700 SOUTH MOUNT PROSPECT ROAD |
| DES PLAINES IL 60018 |
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