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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09/20/1994
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Application #:
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08107486
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Filing Dt:
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08/17/1993
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Inventors:
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JOHN T. BRANDELL, ALAN B. DUELL, LEE W. STEPP
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Title:
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METHOD AND APPARATUS FOR THE MULTIPLE STAGE CEMENTING OF A CASING STRING IN A WELL
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| HALLIBURTON ENERGY SERVICES |
| P.O. BOX 1431 |
| DUNCAN, OKLAHOMA 73536 |
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| JAMES R. DUZAN |
| HALLIBURTON ENERGY SERVICES |
| P.O. BOX 1431 |
| DUNCAN, OK 73536 |
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