Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D948697 | Exhaust fan | Weizhong Li | 2022-04-12 |
| D933185 | Exhaust fan | Weizhong Li | 2021-10-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D948697 | Exhaust fan | Weizhong Li | 2022-04-12 |
| D933185 | Exhaust fan | Weizhong Li | 2021-10-12 |