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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10/04/1988
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Application #:
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07159452
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Filing Dt:
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02/18/1988
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Inventor:
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DONALD C. CAMERON
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Title:
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ADJUSTABLE CEMENT HEAD MANIFOLD
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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PATENT DEPARTMENT |
DOWELL SCHLUMBERGER INC. |
P.O. BOX 2710 |
TULSA, OK 74101 |
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