Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4789302 | Propeller shroud | — | 1988-12-06 |
| 4782779 | Barge lattice skegs | Jacques Heyrman | 1988-11-08 |
| 4569302 | Barge dagger skegs | — | 1986-02-11 |
| 4217844 | Barge dagger skegs | — | 1980-08-19 |