Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724261 | Mobile-bottom device for swimming pools or hollow cavities | — | 2020-07-28 |
| 4621780 | Method and device for temporarily enlarging the opening or hatch area of a structural frame of an aircraft | Francois Doyhamboure | 1986-11-11 |