Patent Assignment Details
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Reel/Frame: | 004839/0790 | |
| Pages: | 1 |
| | Recorded: | 12/31/1987 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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10/03/1989
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Application #:
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07146367
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Filing Dt:
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12/31/1987
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Title:
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OIL WELL PIPE JOINT AND MANUFACTURING METHOD THEREFOR
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Assignee
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15 KITAHAMA 5-CHOME, HIGASHI-KU, OSAKA-SHI |
OSAKA, JAPAN |
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Correspondence name and address
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PLATON N. MANDROS
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BURNS, DOANE, SWECKER & MATHIS
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GEORGE MASON BLDG.
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WASH. & PRINCE STS., P. O. BOX 1404
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ALEXANDRIA, VA 22313-1404
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