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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03/12/2019
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Application #:
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14422864
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Filing Dt:
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02/20/2015
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Publication #:
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Pub Dt:
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08/13/2015
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Inventors:
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Peng Zhao, Jie Yu
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Title:
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ULTRA-HIGH TOUGHNESS AND HIGH STRENGTH DRILL PIPE AND MANUFACTURING PROCESS THEREOF
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| NO. 885 FUJIN ROAD |
| BAOSHAN DISTRICT |
| SHANGHAI, CHINA 201900 |
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| KENNETH A. WEBER |
| TWO EMBARCADERO CENTER |
| 19TH FLOOR |
| SAN FRANCISCO, CA 94111-3834 |
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