Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9387117 | Negative pressure oral apparatus | Ching Shang, Marina Sirota, Zhen Yao | 2016-07-12 |
| 9339620 | Negative-pressure oral apparatus and method for maintaining negative oral pressure and collecting liquid | Te-Yang Shen | 2016-05-17 |