Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644340 | Scraper device, as well as construction machine | Herbert Ley, Günter Hähn | 2017-05-09 |
| 9551118 | Scraper device, as well as construction machine | Herbert Ley, Günter Hähn | 2017-01-24 |