Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842559 | Position control system for a marine propulsion device | John J. Litjens, John M. Griffiths | 1989-06-27 |
| 4832639 | Marine drive with air trap in auxiliary water inlet | James C. Dutcher | 1989-05-23 |
| 4832640 | Marine gearcase water inlet divider | — | 1989-05-23 |