Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8068618 | Spherical loudspeaker for omnipresent sound reproduction | — | 2011-11-29 |
| 6431308 | High fidelity small omnidirectional loudspeaker | Teresa Hart | 2002-08-13 |
| 6186269 | Mini surround sound loudspeaker | Teresa Hart | 2001-02-13 |
| 5847331 | Omnidirectional loudspeaker | Teresa Hart | 1998-12-08 |