Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8300872 | Method and device for detecting a displacement and movement of a sound producing unit of a woofer | Toni Liitola, Tapani Ritoniemi | 2012-10-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8300872 | Method and device for detecting a displacement and movement of a sound producing unit of a woofer | Toni Liitola, Tapani Ritoniemi | 2012-10-30 |