Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840589 | Underwater exhaust system for boats of stepped-hull construction and including exhaust cooling | — | 1989-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840589 | Underwater exhaust system for boats of stepped-hull construction and including exhaust cooling | — | 1989-06-20 |