Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11518186 | Self-adaptive pencil feeding mechanism | Gaowei Zheng, Junfeng Zhang, Chongzhi Zheng | 2022-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11518186 | Self-adaptive pencil feeding mechanism | Gaowei Zheng, Junfeng Zhang, Chongzhi Zheng | 2022-12-06 |