Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070192 | Dogging device for latch assembly | — | 2011-12-06 |
| 8042843 | Adjustable driving mechanism for panic door lock | — | 2011-10-25 |
| 8029027 | Latch device for panic door lock with anti-picking function | — | 2011-10-04 |
| 8011702 | Outer operational device for panic exit door lock | Chen-Wei Huang | 2011-09-06 |