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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11/13/1990
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Application #:
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07365286
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Filing Dt:
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06/12/1989
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Inventors:
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JAMES W. MARTIN, TOMMY E. HUDSON
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Title:
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METHOD FOR GRAVEL PACKING A WELL
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| STEPHEN A. LITTLEFIELD |
| DOWELL SCHLUMBERGER INC. |
| PATENT DEPARTMENT |
| P. O. BOX 2710 |
| TULSA, OK 74101 |
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