Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847722 | Method and equipment for attenuating sound in a duct | Vesa Valimaki, Kari Kirjavainen, Jukka Lekkala, Hannu Nykänen | 2005-01-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847722 | Method and equipment for attenuating sound in a duct | Vesa Valimaki, Kari Kirjavainen, Jukka Lekkala, Hannu Nykänen | 2005-01-25 |