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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01/19/1993
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Application #:
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07780161
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Filing Dt:
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10/21/1991
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Inventors:
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KEVIN R. MANKE, PAUL D. RINGGENBERG, ROGER L. SCHULTZ
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Title:
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LOW PRESSURE RESPONSIVE DOWNHOLE TOOL WITH HYDRAULIC LOCKOUT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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DUNCAN, STEPHENS COUNTY, OKLAHOMA |
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C. DEAN DOMINGUE |
HALLIBURTON COMPANY |
P.O. DRAWER 1431 |
DUNCAN, OK 73536-0102 |
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