Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807738 | Blade gripping mechanism in a heavy duty artistic knife | Shih-Chin Shih | 2004-10-26 |
| 6772522 | Quick disassembly hacksaw | Hsin-Hung Li | 2004-08-10 |
| 6675485 | Artistic knife with adjustable handle | Shih-Chin Shih | 2004-01-13 |