Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314083 | Telescopic tower | Udo Steffen, Rudolf Erdmann | 1994-05-24 |
| 4569290 | Carriage | Joachim Hecht, Wilfried Loedige, Friedrich Rohde, Gerhard Rudat, Klaus-Juergen Winter | 1986-02-11 |
| 4227679 | Hoist with two or more hoisting units | Felix Schafer | 1980-10-14 |