Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10415345 | Millable bridge plug system | Jianpeng Yue, Marvin Allen Gregory, Hongtao Liu | 2019-09-17 |
| 7782532 | Optical isolator device | Li Wu, Xianghua SHI, Zan Gong, Jiwu Ling, Zhaoyang Sun +3 more | 2010-08-24 |