Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10314998 | Breathing mask | Yifeng Zhan | 2019-06-11 |
| 10293134 | Humidifier for respirator and respirator | Bo Wang | 2019-05-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10314998 | Breathing mask | Yifeng Zhan | 2019-06-11 |
| 10293134 | Humidifier for respirator and respirator | Bo Wang | 2019-05-21 |