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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11/17/1992
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Application #:
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07689547
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Filing Dt:
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04/23/1991
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Inventors:
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ROGER TAILBY, JOSEPH L. PEARCE, JOHN H. YONKER, MARION D. KILGORE, RONALD K. CHURCHMAN et al
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Title:
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PUMPDOWN TOOLSTRING OPERATIONS IN HORIZONTAL OR HIGH-DEVIATION OIL OR GAS WELLS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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P.O. BOX 300 |
STAVANGER, NORWAY N-4001 |
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SCHWARTZ, JEFFERY, SCHWAAB, MACK, |
BLUMENTHAL & EVANS |
P.O. BOX 299 |
ALEXANDRIA, VA 22313-0299 |
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