Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D922440 | Engine incorporating a blower housing | Christopher Wolf, Eric B. Hudak, Michael E. Smies | 2021-06-15 |
| D912093 | Blower housing for an engine | Christopher Wolf, Eric B. Hudak, Michael E. Smies | 2021-03-02 |