Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6280814 | Multilayered sheet insulating material for heat insulation and sound proofing | Peter Offermann, Gerald Hoffmann, Christiane Freudenberg, Ludmila Lobova | 2001-08-28 |