Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008926 | System and method for controlling exhaust flow from an internal combustion engine | Robert R. Osthelder, Travis C. Malouf, Jeffrey C. Etapa | 2021-05-18 |
| 10995648 | Marine drives having a muffler for tertiary exhaust outlet | Donald Anderson, Jr., Jeffrey C. Etapa, Steven R. Johns | 2021-05-04 |