Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7137518 | Telescopic crane | Michael Irsch, Conrad Frank, Jens Fery, Walter Zimmer, Walter Stowasser +2 more | 2006-11-21 |
| 6550624 | Telescopic crane | Michael Irsh, Walter Stowasser, Frank Conrad, Jens Fery, Roland Kuhn +2 more | 2003-04-22 |