Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7616767 | Method and device for determining acoustical transfer impedance | Klaus Geiger, Rolf Helber | 2009-11-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7616767 | Method and device for determining acoustical transfer impedance | Klaus Geiger, Rolf Helber | 2009-11-10 |