Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7910827 | Adapter plate assembly for outdoor installation of notification appliances | Inhong Hur, Luy B. Nguyen | 2011-03-22 |
| 7683255 | Adapter plate assembly for outdoor installation of notification appliances | Inhong Hur, Luy B. Nguyen | 2010-03-23 |