Patent Assignment Details
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| Reel/Frame: | 005711/0735 | |
| Pages: | 4 |
| | Recorded: | 05/28/1991 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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07/07/1992
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Application #:
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07638717
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Filing Dt:
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01/08/1991
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Title:
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REPAIR OF MICROANNULI AND CEMENT SHEATH
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Assignee
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| DUNCAN |
| STEPHENS COUNTY, OKLAHOMA |
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Correspondence name and address
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THOMAS R. WEAVER
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HALLIBURTON SERVICES
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P.O. DRAWER 1431
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DUNCAN, OK 73536-0102
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