Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7334440 | Reversible lock core structure for an interchangeable lock core of a door lock mechanism | Mei-Kuei Lee | 2008-02-26 |
| 6202457 | Lock core assembly for a cylindrical lock | Jo-Chiao Wang | 2001-03-20 |
| 6178795 | Lockable structure for a big-handle lock | — | 2001-01-30 |