Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637755 | Chuck device for miniature tool bits | Tsai-Ching Chen | 2003-10-28 |
| D476204 | Wrench | — | 2003-06-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637755 | Chuck device for miniature tool bits | Tsai-Ching Chen | 2003-10-28 |
| D476204 | Wrench | — | 2003-06-24 |