Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974163 | Tubular door lock having selective actuators | Alan Liang, Chih-Hung Hsiao | 2005-12-13 |
| 6935149 | Electric door lock openable by key | Alan Liang, Chih-Hung Hsiao | 2005-08-30 |
| D502859 | Electric lock device | Alan Liang, Chih-Hung Hsiao | 2005-03-15 |