Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9967673 | Acoustic transducer comprising a plurality of coaxially arranged diaphragms | Andrew Unruh, Robert True, Jens-Peter B. Axelsson, Alireza Jabbari, David J. Prince +3 more | 2018-05-08 |
| 9462388 | Acoustic transducer comprising a plurality of coaxially arranged diaphragms | Andrew Unruh, Robert True, Jens-Peter B. Axelsson, Alireza Jabbari, David J. Prince +3 more | 2016-10-04 |
| 8897472 | Acoustic transducer comprising a plurality of coaxially arranged diaphragms | Andrew Unruh, Robert True, Jens-Peter B. Axelsson, Alireza Jabbari, David J. Prince +3 more | 2014-11-25 |
| D573586 | Loudspeaker | David J. Prince, Richard Warren Little, Kevin Christopher Corr, Jose Francisco Garcia | 2008-07-22 |
| D567212 | Loudspeaker | David J. Prince | 2008-04-22 |
| D567214 | Loudspeaker | Mads FYNBOE | 2008-04-22 |
| D469422 | Wired communications earpiece | Thanh Quoc Nguyen | 2003-01-28 |