Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9366110 | Multi-level sliding sleeve | Qiang Feng, Jun Li, Fei Li, Yao Mei Wang, Wei Dang +1 more | 2016-06-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9366110 | Multi-level sliding sleeve | Qiang Feng, Jun Li, Fei Li, Yao Mei Wang, Wei Dang +1 more | 2016-06-14 |