Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11320157 | Roof-mounted suction ventilator | Jianfang Lin | 2022-05-03 |
| 11248813 | Wall-mounted suction ventilator | Jianfang Lin | 2022-02-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11320157 | Roof-mounted suction ventilator | Jianfang Lin | 2022-05-03 |
| 11248813 | Wall-mounted suction ventilator | Jianfang Lin | 2022-02-15 |