Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7245729 | Loudspeaker | Ian D. MacFarlane, Keith D. Hills, Paul Burton | 2007-07-17 |
| 6813362 | Loudspeaker and method of making same | Ian D. MacFarlane, Keith D. Hills, Paul Burton, Neil John Harris | 2004-11-02 |