Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487591 | Carriage for a displacement hammer for positioning the displacement hammer in a launch pit, drilling system with a displacement hammer and a carriage for positioning the displacement hammer in a launch pit and a method for positioning a displacement hammer in a launch pit | Gerhard Völkel | 2019-11-26 |