Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884848 | Device and method for exploiting material | Herwig Wrulich, Bernward Bruns | 1989-12-05 |
| 4778221 | Movable device for openpit mining | Horst Kolleth, Franz Menapace, Herwig Wrulich | 1988-10-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884848 | Device and method for exploiting material | Herwig Wrulich, Bernward Bruns | 1989-12-05 |
| 4778221 | Movable device for openpit mining | Horst Kolleth, Franz Menapace, Herwig Wrulich | 1988-10-18 |