Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7780135 | Speaker mounting system | Thomas Nelson | 2010-08-24 |
| 7706515 | Programmable paging controller with programmable switch contact | — | 2010-04-27 |
| 6427019 | Speaker Assembly | Anthony Farinaro, William Kieltyka | 2002-07-30 |
| 5774016 | Amplifier system having prioritized connections between inputs and outputs | — | 1998-06-30 |