Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8287498 | Flashback blood collection needle with needle shield | Chee Leong Alvin Tan | 2012-10-16 |
| 7163526 | Flashback blood collection needle with needle shield | Alvin Tan Chee Leong | 2007-01-16 |