Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1031021 | Cushion frame for respiratory mask | Kok Boon Choo, Han Cheng LIN | 2024-06-11 |
| D1003428 | Respiratory mask with air delivery adapter | Kok Boon Choo, Han Cheng LIN | 2023-10-31 |