Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795557 | Sound reproduction equipment and method for reducing the level of acoustical reflections in a room | Aki Mäkivirta | 2004-09-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795557 | Sound reproduction equipment and method for reducing the level of acoustical reflections in a room | Aki Mäkivirta | 2004-09-21 |