Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862820 | Propulsion and lift system for speed boats with submerged foil | Bertrand Lambati, Robert Balquet, Michel Machabert | 1989-09-05 |
| 4836743 | Cross flow fan | Gilles Heid, Pierre Bailleux, Marc Pruvost | 1989-06-06 |