Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11324368 | Dust collector and filtering assembly | Shuhua Sang | 2022-05-10 |
| 11089928 | Dust collector | Shuhua Sang | 2021-08-17 |
| 10239010 | Filter assembly, filter device and dust collector | Shuhua Sang | 2019-03-26 |