Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975741 | Electroacoustic transducer being acoustical tight in the area of its air gap for its moving coil | — | 2005-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975741 | Electroacoustic transducer being acoustical tight in the area of its air gap for its moving coil | — | 2005-12-13 |