Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D903197 | Miniature electric grinding machine | Congxiang Wang | 2020-11-24 |
| D903198 | Micro-electric grinding machine | Congxiang Wang | 2020-11-24 |
| D902490 | Micro-electric grinding machine | Congxiang Wang | 2020-11-17 |
| D900395 | Micro-electric grinding machine | Congxiang Wang | 2020-10-27 |