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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11/01/2016
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Application #:
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15136504
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Filing Dt:
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04/22/2016
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Inventors:
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Zhengqiang Deng, Guancheng Jiang, Yinbo He, Fan Liu, Yang Xuan, Xianbin Huang et al
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Title:
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DRILLING FLUID ADDITIVE COMPOSITION AND HIGH TEMPERATURE RESISTANT CLAY-FREE WHOLE-OIL-BASED DRILLING FLUID
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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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| YIZHOU LIU |
| 1405 E. 6TH STREET |
| CLEVELAND, OH 44114 |
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