Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724786 | Surface effect, side keel vessel containing perfected buoyancy systems | Jean-Pierre Guezou, Jean-Paul A. Bertrand, Robert Balquet, Charles V. De Smet | 1988-02-16 |
| 4646866 | Surface effect type, side keel vessel fitted with an improved forward buoyancy cushion seal apparatus | Jean-Paul A. Bertrand, Jean-Pierre Guezou, Robert Balquet, Francois Jodelet | 1987-03-03 |