Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4379661 | Advance mechanism for a mine roof support unit | Egon Wojaczek, Juergen Schulte | 1983-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4379661 | Advance mechanism for a mine roof support unit | Egon Wojaczek, Juergen Schulte | 1983-04-12 |