Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12001229 | Pneumatic elevator with pressure regulator | Juan Carlos de Ledebur, Stefan Gruber | 2024-06-04 |
| 11518653 | Foldable elevator structure | Juan Carlos de Ledebur, Stefan Gruber | 2022-12-06 |
| 11414302 | Foldable elevator structures for cabin and shaft | Juan Carlos de Ledebur, Stefan Gruber | 2022-08-16 |