Gao; Zishan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gao; Zishan.The latest application filed is for "method for precisely extracting coal-mine gas".
- Gao; Zishan - Jiangsu CN
- GAO; Zishan - Xuzhou Jiangsu
| Patent | Date |
|---|---|
| Method for precisely extracting coal-mine gas Grant 11,060,384 - Zhu , et al. July 13, 2 | 2021-07-13 |
| Method For Precisely Extracting Coal-mine Gas App 20210040822 - ZHU; Chuanjie ; et al. | 2021-02-11 |
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