Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11577943 | Crane with an erecting trestle | Fischer Helmut, Christian Matt | 2023-02-14 |
| 8408329 | Piling and drilling rig with foldable deflection apparatus | Alfred Koller | 2013-04-02 |