Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6514229 | Safety syringe with a needle sleeve | Chung-Jen Lee | 2003-02-04 |
| 6432088 | Safety syringe with a needle sleeve lock | Chung-Jen Lee | 2002-08-13 |
| 6387079 | Safety syringe | Chung-Jen Lee | 2002-05-14 |
| 6093171 | Safety syringe | — | 2000-07-25 |