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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11/04/2003
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Application #:
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10031754
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Filing Dt:
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05/09/2002
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Inventor:
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Haijin Zheng
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Title:
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MECHANICAL OIL RECOVERY METHOD AND SYSTEM WITH A SUCKER ROD PUMP
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 6A, HUIXIN DONG STREET, CHAOYANG DISTRICT |
| BEIJING, 10029, CHINA |
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| 1 WENHUI WEST ROAD, ECONOMIC DEVELOPING DISTRICT |
| YAGZHOU CITY, JIANSU PROVICE, CHINA |
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| PENNIE & EDMONDS LLP |
| CHARLES E. MILLER |
| 1155 AVENUE OF AMERICAS |
| NEW YORK, NY 10036-2711 |
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