Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363434 | Audio distribution system | Robert P. Farinelli, Bill R. Unseld | 1994-11-08 |
| 5330144 | Frame structure and assembly for wall mounting a speaker or camera | Paul T. Scherer, Bill R. Unseld, James W. Dickens | 1994-07-19 |
| 5131048 | Audio distribution system | Robert Farenelli, Bill R. Unseld | 1992-07-14 |