Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4680800 | Moving-coil loudspeaker unit | Graham Bank, Stephen Scaife | 1987-07-14 |
| 4427846 | Moving coil loudspeakers | — | 1984-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4680800 | Moving-coil loudspeaker unit | Graham Bank, Stephen Scaife | 1987-07-14 |
| 4427846 | Moving coil loudspeakers | — | 1984-01-24 |