Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5901421 | Pull tab of the zipper head | Li-Hsin Lee, Shih-Chang Lin | 1999-05-11 |
| 5875525 | Zipper head | Li-Hsin Lee, Shhi Chang Lin | 1999-03-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5901421 | Pull tab of the zipper head | Li-Hsin Lee, Shih-Chang Lin | 1999-05-11 |
| 5875525 | Zipper head | Li-Hsin Lee, Shhi Chang Lin | 1999-03-02 |