Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443761 | Method and device for trenchless pipe laying | Diana Rennkamp | 2019-10-15 |
| 10364611 | Drill head for expanding a pilot bore in order to create a borehole | Tobias GERHARDT | 2019-07-30 |