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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12/09/1986
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Application #:
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06686851
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Filing Dt:
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12/27/1984
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Inventors:
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TREVOR M. BURGESS, WILLIAM G. LESSO JR.
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Title:
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METHOD FOR MEASURING BIT WEAR DURING DRILLING
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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5000 GULF FREEWAY P.O. BOX 1472 |
HOUSTON,, TEXAS 77001 |
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SCHLUMBERGER LTD. |
205 INDUSTRIAL ROAD, PAT. COUNSEL |
SUGAR LAND, TX 77478 |
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