Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10306370 | Dual coil electrodynamic transducer with channels for voice coil cooling | — | 2019-05-28 |
| 9445201 | Inverted dual coil transducer | Alexander V. Salvatti, Alexander Voishvillo | 2016-09-13 |
| D713821 | Loudspeaker rear cover | Tony Hidalgo | 2014-09-23 |
| 8249291 | Extended multiple gap motors for electromagnetic transducers | — | 2012-08-21 |
| 8014555 | Self-cooling electromagnetic transducer | Douglas J. Button | 2011-09-06 |
| 6847726 | Shorting rings in dual-coil dual-gap loudspeaker drivers | Douglas J. Button, Alex V. Salvatti | 2005-01-25 |
| 6768806 | Shorting rings in dual-coil dual-gap loudspeaker drivers | Douglas J. Button, Alex V. Salvatti | 2004-07-27 |