Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719509 | Expansion screw | Chih-Tsung Chen | 2004-04-13 |
| 6679661 | Fastener for fragile boards | — | 2004-01-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719509 | Expansion screw | Chih-Tsung Chen | 2004-04-13 |
| 6679661 | Fastener for fragile boards | — | 2004-01-20 |