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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04/04/2017
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Application #:
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14413351
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Filing Dt:
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01/07/2015
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Publication #:
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Pub Dt:
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06/04/2015
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Inventors:
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Shengjie Zhang, Linqun Zhang, Yingjun Wang
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Title:
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Petroleum Fracturing Proppant Prepared from Flyash and Waste Ceramic, and 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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| MIDDLE JINGSI ROAD, SHILIN INDUSTRIAL CLUSTER |
| SHANCHENG DISTRICT |
| HEBI, HENAN, CHINA 458000 |
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| SKGF PLLC |
| 1100 NEW YORK AVENUE, N.W. |
| WASHINGTON, DC 20005 |
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