Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425613 | Door lockset | — | 2002-07-30 |
| 6412318 | Electric cylindrical lock unlockable by a key | — | 2002-07-02 |
| 6364383 | Easy-to-install door lock with burglar-proof effect for outside rose assembly | — | 2002-04-02 |
| 6360570 | Lockset knob assembly for use with an interchangeable lock core | — | 2002-03-26 |