Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8107595 | Supervised paging, messaging background music and emergency voice evacuation system | Brian E. Bizjak | 2012-01-31 |
| 7978089 | Method and apparatus for ground fault detection | David John Salgueiro | 2011-07-12 |