Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167962 | Crane having a counterweight adjustment device, and method for adjusting a counterweight on a crane | Alfons Weckbecker, Martin Zwifka, Fritz-Botho Köster | 2021-11-09 |