Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221626 | Top drive for a drill string | Albrecht Heinrichs, Achim Feldermann, Thomas Dolls | 2019-03-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221626 | Top drive for a drill string | Albrecht Heinrichs, Achim Feldermann, Thomas Dolls | 2019-03-05 |