Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |