Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808727 | Ventilation fan with speaker | Chih-Hua Lin | 2020-10-20 |
| 10690137 | Ventilation fan | Chih-Hua Lin, Chung-We Yeh | 2020-06-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808727 | Ventilation fan with speaker | Chih-Hua Lin | 2020-10-20 |
| 10690137 | Ventilation fan | Chih-Hua Lin, Chung-We Yeh | 2020-06-23 |