Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4505207 | Crane anti-skewing device | Gunter Pietsch | 1985-03-19 |
| 4376487 | Anti-sway, anti-rotation mechanism for crane reeving | Cornelius J. M. Van Soest, Rostislav Muller | 1983-03-15 |