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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03/22/1988
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Application #:
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06894101
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Filing Dt:
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08/07/1986
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Inventors:
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DAVID M. HAUGEN, DAVID S. WESSON, ROBERT R. LUKE, KEVIN R. GEORGE
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Title:
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ANNULUS PRESSURE OPERATED VENT ASSEMBLY
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| JAMES R. DUZAN |
| HALLIBURTON SERVICES |
| P.O. DRAWER 1431 |
| DUNCAN, OK 73536-0102 |
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