Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644904 | Wood screw with square threads | Shu-Li Chen | 2003-11-11 |
| D469007 | Screw | Shu-Li Chen | 2003-01-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644904 | Wood screw with square threads | Shu-Li Chen | 2003-11-11 |
| D469007 | Screw | Shu-Li Chen | 2003-01-21 |