Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7536024 | Loudspeaker | Daniel Bailey | 2009-05-19 |
| 5402502 | Sound output system | Allen Boothroyd, Michael D. G. Jewitt | 1995-03-28 |
| D356088 | Loudspeaker | Michael D. G. Jewitt, Allen Boothroyd | 1995-03-07 |
| D355914 | Loudspeaker | Michael D. G. Jewitt, Allen Boothroyd | 1995-02-28 |