Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657888 | Track-bound mobile crane | Joachim Kroll, Hermann Franzen | 1997-08-19 |
| 5607071 | Crane, especially a track-bound mobile crane | Joachim Kroll | 1997-03-04 |
| 5595313 | Crane, particularly a track-bound mobile crane | Joachim Kroll | 1997-01-21 |