Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE48233 | Passive directional acoustic radiating | Eric S. Johanson, Richard Saffran | 2020-09-29 |
| 10057701 | Method of manufacturing a loudspeaker | Joseph A. Coffey, Jr., Brendan J. Finnegan | 2018-08-21 |
| RE46811 | Passive directional acoustic radiating | Eric S. Johanson, Richard Saffran | 2018-04-24 |
| 9883282 | Acoustic deflector for omni-directional speaker system | Bulent Goksel, Wontak Kim | 2018-01-30 |
| 9813794 | Noise reduction with in-ear headphone | Lei Cheng, Ellen I. Searl | 2017-11-07 |
| 9716936 | Noise reduction with in-ear headphone | Lei Cheng, Ellen I. Searl | 2017-07-25 |
| 9635452 | Noise reduction with in-ear headphone | Lei Cheng, Ellen I. Searl | 2017-04-25 |
| 9451355 | Directional acoustic device | Christopher B. Ickler, Joseph A. Coffey, Jr. | 2016-09-20 |
| 8953831 | Narrow mouth horn loudspeaker | Sarah Margaret Heile, John H. Wendell | 2015-02-10 |
| 8553894 | Active and passive directional acoustic radiating | William Berardi, Michael S. Dublin, Eric S. Johanson, Hilmar Lehnert, Michael Stark +1 more | 2013-10-08 |
| 8447055 | Passive directional acoustic radiating | Eric S. Johanson, Richard Saffran | 2013-05-21 |
| 8358798 | Passive directional acoustic radiating | Christopher B. Ickler, Eric S. Johanson, Richard Saffran | 2013-01-22 |
| 8351630 | Passive directional acoustical radiating | Christopher B. Ickler, Eric S. Johanson, Richard Saffran | 2013-01-08 |