Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733050 | Bolt dock for door lock | — | 2004-05-11 |
| 6640594 | Electronic lock | — | 2003-11-04 |
| 6105407 | Lock assembly allowing the handles thereof rotated by a large angle | — | 2000-08-22 |
| 6085561 | Lock assembly allowing the handles thereof rotated by a large angle | — | 2000-07-11 |
| 5960656 | Electronic lock | — | 1999-10-05 |