Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7245729 | Loudspeaker | Andrew D. Bank, Keith D. Hills, Paul Burton | 2007-07-17 |
| 6813362 | Loudspeaker and method of making same | Andrew D. Bank, Keith D. Hills, Paul Burton, Neil John Harris | 2004-11-02 |
| 6751329 | Loudspeaker driver | Martin Colloms | 2004-06-15 |
| D466885 | Loudspeaker | Keith D. Hills | 2002-12-10 |