Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300673 | Apparatus for transferring material between conveyors | Helmut Trusczcinski | 1981-11-17 |
| 4192632 | Support systems for mineral mining installations | Julius Tengler | 1980-03-11 |