Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6852402 | Dielectric cellular electret film and procedure for its manufacture | Keijo Korhonen, Jyrki Kroger, Lasse Raisanen | 2005-02-08 |
| 6847722 | Method and equipment for attenuating sound in a duct | Seppo Uosukainen, Vesa Valimaki, Jukka Lekkala, Hannu Nykänen | 2005-01-25 |
| 6837457 | Aircraft rotor and aircraft | — | 2005-01-04 |