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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12/23/1986
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Application #:
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06686241
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Filing Dt:
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12/26/1984
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Inventor:
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DAVID W. HOOPER
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Title:
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ANNULUS BYPASS PERIPHERAL NOZZLE JET PUMP PRESSURE DIFFERENTIAL DRILLING TOOL AND METHOD FOR WELL DRILLING
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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1500 EAST WARREN-SPACE 82 |
SANTA ANA, CALIFORNIA 92705 |
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WILLIAM H. MAXWELL |
12301 WILSHIRE BLVD. |
LOS ANGELES, CA 90025 |
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