Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6050351 | Drilling hole system for horizontal boreholes | Herbert Haas, Norbert Prinz, Christian Wartel, Dominique Pfeiffer | 2000-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6050351 | Drilling hole system for horizontal boreholes | Herbert Haas, Norbert Prinz, Christian Wartel, Dominique Pfeiffer | 2000-04-18 |