Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8320604 | Composite loudspeaker cone | Michael P. Latvis, Jr. | 2012-11-27 |
| 7872195 | Apparatus and methods for dielectric bias system | William Low | 2011-01-18 |
| 7126055 | Apparatus and methods for dielectric bias system | William Low | 2006-10-24 |
| 7046816 | Coincident source stereo speaker | — | 2006-05-16 |
| 5073948 | Midrange loudspeaker driver | — | 1991-12-17 |