Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5708721 | Coil assemblies | Richard James Salvage, Derek William Powell | 1998-01-13 |
| 5647013 | Electroacostic transducer | Richard James Salvage | 1997-07-08 |
| 5610989 | Coil assemblies | Richard James Salvage, Derek William Powell | 1997-03-11 |