Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697048 | Alloy drill and manufacturing method thereof | Bin Liu, Ji Wu, Zhihua CAO | 2020-06-30 |
| D875147 | Drill bit | Jiaqing Yu, Weixiong Wang, Jianghe Luo | 2020-02-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697048 | Alloy drill and manufacturing method thereof | Bin Liu, Ji Wu, Zhihua CAO | 2020-06-30 |
| D875147 | Drill bit | Jiaqing Yu, Weixiong Wang, Jianghe Luo | 2020-02-11 |