Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9339620 | Negative-pressure oral apparatus and method for maintaining negative oral pressure and collecting liquid | Chung-Chu Chen | 2016-05-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9339620 | Negative-pressure oral apparatus and method for maintaining negative oral pressure and collecting liquid | Chung-Chu Chen | 2016-05-17 |