Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9925701 | Sandwich composite elements | Ralf Koester | 2018-03-27 |
| 9724723 | Device for applying a foaming reaction mixture | Ralf Köster, Catherine Lövenich | 2017-08-08 |
| 9242399 | Sandwich composite elements | Ralf Koester | 2016-01-26 |