Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257940 | Outboard motor with centralized rigging | William D. Dunham, Linda DeLine | 2001-07-10 |
| 4940435 | Marine propulsion device | Matthew H. Mondek, John C. Hervat, Roger B. Whipple | 1990-07-10 |
| 4863405 | Outboard motor tilt lock device | John C. Hervat, Matthew H. Mondek, Gregory M. Umek | 1989-09-05 |
| 4632169 | Two cycle cylinder block foam pattern | Roger B. Whipple | 1986-12-30 |