Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7463132 | Door lock and operation mechanism | Sheng Bill Deng | 2008-12-09 |
| D542621 | Door lock and operation mechanism | Sheng Bill Deng | 2007-05-15 |
| 7113070 | Door lock and operation mechanism | Sheng Bill Deng | 2006-09-26 |