Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5771304 | Apparatus including a loudspeaker unit, loudspeaker unit, and housing for a loudspeaker unit | Martinus P. M. Van Den Thillart, Wilhelmus H. M. M. Evers, Johannes A. A. Das, Dirk De Boe | 1998-06-23 |