Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D857628 | Helical gear motor | Demu Chen, Zhiming Tong | 2019-08-27 |
| D856279 | Helical-bevel gear motor | Demu Chen, Zhiming Tong | 2019-08-13 |
| D855022 | Helical worm gear motor | Demu Chen, Zhiming Tong | 2019-07-30 |