Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322579 | Sound reproduction in a space with an independent sound source | Johannis A. Van Gorsel | 1982-03-30 |
| 4233472 | Loudspeaker combination, comprising a plurality of dynamic loudspeakers, which are arranged adjacent each other in substantially one continuous plane | — | 1980-11-11 |