Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9840876 | Polycrystalline diamond compact cutter | Xiaomin Cheng, Ning Li | 2017-12-12 |
| 9746403 | Method of testing a polycrystalline diamond compact cutter | Xiaomin Cheng, Xueqing Teng | 2017-08-29 |