Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634856 | Integrally formed stamped sheet-metal blades having 3D structure | Huan-Jan Chien, Yee-Ren Chen, Jing-Fuh Chen | 2003-10-21 |
| 6506023 | Integrally formed stamping sheet-metal blades having 3D structure | Huan-Jan Chien, Yee-Ren Chen, Jing-Fuh Chen | 2003-01-14 |