Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810703 | Casing structure for a cotter-pin type lock core | Chih-Ming Su | 2004-11-02 |
| 6736432 | Combination structure of the assembly plates and the cylinder of a lock latch | Chao-Ming Huang | 2004-05-18 |