Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993427 | Filter medium | Christian Hassmann, Hans-Jurgen Meitinger, Jürgen Umminger, Michael Schops | 2011-08-09 |
| 7065844 | Airbag cover | — | 2006-06-27 |
| 6630046 | Method of making wall and floor coverings | — | 2003-10-07 |
| 6412154 | Hydrodynamically bounded carrier webs and use thereof | — | 2002-07-02 |
| 5017426 | Laminate | Wolfgang Greiser, Hans Wagner, Karl-Christian Zerfass | 1991-05-21 |
| 4755423 | Laminate | Wolfgang Greiser, Hans Wagner, Karl-Christian Zerfass | 1988-07-05 |
| 4287248 | Bituminized roof sheet | Wolfgang Gessner, Helmut Kuhn | 1981-09-01 |