Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9648440 | Virtual height filter for reflected sound rendering using upward firing drivers | Brett G. Crockett, Christophe Chabanne, Mark Tuffy, Alan J. Seefeldt, C. Phillip Brown | 2017-05-09 |
| 7177440 | Electromagnetic transducer with asymmetric diaphragm | Enrique Stiles, Richard Calderwood | 2007-02-13 |