Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11406526 | Oral device to eliminate air space in oral cavity | Chung-Chu Chen, Yin-Ruei Chen, Wen-Yen Huang | 2022-08-09 |
| 11246742 | Oral device to eliminate air space in oral cavity | Chung-Chu Chen, Yin-Ruei Chen, Wen-Yen Huang | 2022-02-15 |