Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9506235 | Drainage trench unit and transport unit formed from such drainage trench units | Michael Schütz | 2016-11-29 |
| 8104996 | Two-shell structural system for constructing plantable steep embankments formed from several layers | Claus Goebel, Klaus Lieberenz, Steffen Grossmann | 2012-01-31 |