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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03/07/2000
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Application #:
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08988492
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Filing Dt:
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12/10/1997
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Inventor:
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ASHLEY BERNARD JOHNSON
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Title:
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ABRASIVES FOR WELL CLEANING
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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 |
| PATENT COUNSEL, DOWELL DIVISION |
| 110 SCHLUMBERGER DRIVE, MD 1975 |
| SUGAR LAND, TX 77478 |
| ATTN: JOHN E. VICK, JR. |
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