Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749204 | Bulk cheese transfer and containerizing system | Paul R. Bokelmann, Thomas R. Schumacher | 1998-05-12 |
| 4898261 | Water cooled plastic oil pan | James N. Gavriles | 1990-02-06 |
| 4781021 | Marine engine exhaust muffler assembly | — | 1988-11-01 |
| 4773215 | Exhaust control assembly for marine stern drive | John J. Litjens | 1988-09-27 |