Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6186270 | Layered sound absorber for absorbing acoustic sound waves | Klaus Pfaffelhuber, Stefan Lahner, Gerhard Kock | 2001-02-13 |
| 5984043 | Magnetizable flat damping component and adhesive, especially for use in sound-deadening mats | Thomas Ruhe, Max Wagner, Stefan Lahner | 1999-11-16 |