Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974936 | Hydraulic controller for hydraulically actuated liftable and lowerable hook of crane | Heinz Henning Hoppmann, Christian Stammen | 2021-04-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974936 | Hydraulic controller for hydraulically actuated liftable and lowerable hook of crane | Heinz Henning Hoppmann, Christian Stammen | 2021-04-13 |