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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12/24/1985
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Application #:
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06476074
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Filing Dt:
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03/17/1983
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Inventor:
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JAMES M. UPCHURCH
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Title:
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PRESSURE-ACTIVATED WELL PERFORATING APPARATUS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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277 PARK AVE. |
NEW YORK, NEW YORK 10172 |
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PATENT COUNSEL |
SCHLUMBERGER LTD. |
205 INDUSTRIAL RD. |
SUGAR LAND, TX 77478 |
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