Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D452615 | Toothbrush | Chow Koh Cheong | 2002-01-01 |
| D452379 | Toothbrush | Chow Koh Cheong | 2001-12-25 |
| D452380 | Toothbrush | Chow Koh Cheong | 2001-12-25 |
| D452381 | Toothbrush | Chow Koh Cheong | 2001-12-25 |
| D452382 | Toothbrush | Chow Koh Cheong | 2001-12-25 |