Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10154339 | Rotationally symmetric speaker array | Martin E. Johnson, Michael B. Howes, Gary P. Geaves, Tom-Davy W. Saux | 2018-12-11 |
| 10149046 | Rotationally symmetric speaker array | Martin E. Johnson, Michael B. Howes, Gary P. Geaves, Tom-Davy W. Saux | 2018-12-04 |