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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01/18/1994
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Application #:
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07934151
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Filing Dt:
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08/21/1992
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Inventors:
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JOHN T. BRANDELL, ALAN B. DUELL
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Title:
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MECHANICAL CEMENTING PACKER COLLAR
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| HALLIBURTON SERVICES |
| P.O. BOX 1431 |
| DUNCAN, OKLAHOMA 73536 |
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| JAMES R. DUZAN |
| HALLIBURTON SERVICES |
| P.O. BOX 1431 |
| DUNCAN, OK 73536 |
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