Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538410 | Toothbrush body preform molding device and toothbrush body preform to be provided with buffer cap | Byong Deok Choi | 1996-07-23 |
| 5517711 | Toothbrush | Byong Deok Choi | 1996-05-21 |