Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D880165 | Toothbrush having short inner bristles | Se In Oh, Kwan Lak Choi | 2020-04-07 |
| D880166 | Toothbrush with bristles having different lengths | Se In Oh, Kwan Lak Choi | 2020-04-07 |