Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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08/09/2016
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Application #:
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14878735
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Filing Dt:
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10/08/2015
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Inventors:
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Xianbin Huang, Xi Wang, Wei Wan, Guancheng Jiang, Guangchang Ma, Kun Zhang
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Title:
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OIL-BASED VISCOSIFIER OF DRILLING FLUID AND THE PREPARATION METHOD THEREOF
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| NO. 18 FUXUE ROAD |
| CHANGPING DISTRICT BEIJING, CHINA |
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| TODD ROBERTS TUCKER |
| 1405 E. 6TH STREET |
| CLEVELAND, OH 44114 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| NO. 18 FUXUE ROAD |
| CHANGPING DISTRICT |
| BEIJING, CHINA |
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| YIZHOU LIU |
| THE CALFEE BUILDING |
| 1405 E. 6TH STREET |
| CLEVELAND, OH 44114 |
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