Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11653142 | Multiple dispersion standalone stereo loudspeakers | Warren Mansfield, Alan J. Seefeldt, Peter Michael Razukas | 2023-05-16 |
| 11140471 | Multiple dispersion standalone stereo loudspeakers | Warren Mansfield, Alan J. Seefeldt, Peter Michael Razukas | 2021-10-05 |