Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778221 | Movable device for openpit mining | Horst Kolleth, Herwig Wrulich, Hubert Weissensteiner | 1988-10-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778221 | Movable device for openpit mining | Horst Kolleth, Herwig Wrulich, Hubert Weissensteiner | 1988-10-18 |