Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9238315 | Rigid film having high puncture resistance and tear propagation resistance | Achim Grefenstein, Florian Brandmaier | 2016-01-19 |
| 8722751 | Thermostable microporous polymethacrylimide foams | Jonas Scherble, Werner Geyer, Hermann Seibert, Torsten Jahn, Thomas Barthel | 2014-05-13 |
| 6655001 | Process for a diaphragm for electroacoustic transducers | Dirk Roosen, Hermann Seibert | 2003-12-02 |
| 4316934 | Method for making laminates comprising a hard foam layer and a fiber-reinforced synthetic resin layer | Wolfgang Pip | 1982-02-23 |