Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935213 | Mechanism for changing direction of exerted force of wrench having a ratchet wheel | Lin Shu-Sui | 2005-08-30 |
| 6862955 | Wrench having a ratchet wheel | Lin Shu-Sui | 2005-03-08 |