Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980157 | Ground-boring machine | — | 1999-11-09 |
| 5895176 | Device for connecting a pipeline conduit to a ground-boring machine | — | 1999-04-20 |
| 5795991 | Arrangement of an impact-sensitive device in a housing | Alfons Hesse | 1998-08-18 |