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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03/24/1987
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Application #:
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06808691
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Filing Dt:
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12/13/1985
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Inventors:
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DONALD F. HUSHBECK, KENNETH D. CASKEY
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Title:
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SUBSURFACE CONTROL VALVE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| A CORP OF DELAWARE |
| DUNCAN, STEPHENS, OKLAHOMA |
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| JOSEPH A. WALKOWSKI |
| HALLIBURTON SERVICES |
| P. O. DRAWER 1431 |
| DUNCAN, OK 73536-0102 |
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