Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394655 | Method and apparatus for influencing background noise of machines having rotating parts | Silvia Tomaschko | 2002-05-28 |
| 6340068 | Use of a material with a high internal damping for a component of a sound-emitting machine | Jürgen Frey, Ulrike Huber | 2002-01-22 |