Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10351388 | Pneumatic vacuum elevator cabin guides | Juan Carlos de Ledebur | 2019-07-16 |
| 10233055 | Pneumatic vacuum elevator seal | Juan Carlos de Ledebur | 2019-03-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10351388 | Pneumatic vacuum elevator cabin guides | Juan Carlos de Ledebur | 2019-07-16 |
| 10233055 | Pneumatic vacuum elevator seal | Juan Carlos de Ledebur | 2019-03-19 |