Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953626 | Ram boring machine having a pull-and-turn reversing gear | Alfons Hesse | 1990-09-04 |
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953626 | Ram boring machine having a pull-and-turn reversing gear | Alfons Hesse | 1990-09-04 |