Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975518 | Re-keyable lock with improvements for preventing incomplete re-keying | Ju-Lin Yang, Rong-Faa Wu, Ching-Chuan Kuo | 2011-07-12 |
| 7874191 | Cylinder lock | Ju-Lin Yang, Po-Yang Chen, Kun-Chen Lee, Rong-Faa Wu, Ching-Chuan Kuo | 2011-01-25 |