Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7484593 | Acoustic structure and method of manufacturing thereof | Rudolf Braun, Clarence P. Terpstra | 2009-02-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7484593 | Acoustic structure and method of manufacturing thereof | Rudolf Braun, Clarence P. Terpstra | 2009-02-03 |