Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102175 | Deadbolt assembly for cylinder lock | Rong-Faa Wu | 1992-04-07 |
| 4927195 | Dual backset deadbolt assembly | Rong-Faa Wu | 1990-05-22 |
| 4927199 | Latch assembly for cylinder lock | Rong-Faa Wu | 1990-05-22 |