Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644076 | Cylinder assembly for a door lock | — | 2003-11-11 |
| 6364382 | Drawing plate structure of a latch of an auxiliary lock | Chao-Ming Huang | 2002-04-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644076 | Cylinder assembly for a door lock | — | 2003-11-11 |
| 6364382 | Drawing plate structure of a latch of an auxiliary lock | Chao-Ming Huang | 2002-04-02 |