Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471257 | Electric door lock | Chao-Jung Lu | 2002-10-29 |
| 6443503 | Dual backset deadbolt assembly | Chao-Jung Fan Lu | 2002-09-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471257 | Electric door lock | Chao-Jung Lu | 2002-10-29 |
| 6443503 | Dual backset deadbolt assembly | Chao-Jung Fan Lu | 2002-09-03 |