Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5771304 | Apparatus including a loudspeaker unit, loudspeaker unit, and housing for a loudspeaker unit | Wilhelmus H. M. M. Evers, Johannes A. A. Das, Dirk De Boe, Raoul E. M. Keereman | 1998-06-23 |
| 5479520 | Loudspeaker system | Joris A. M. Nieuwendijk, Johannes W. T. Bax | 1995-12-26 |
| 5471018 | Audio or video apparatus with a built-in loudspeaker | Joris A. M. Nieuwendijk, Johannes W. T. Bax, Cornelis J. Oepkes, Henricus H. Roelofs | 1995-11-28 |