Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9556572 | Self-propelled, single-stage snowthrower | Derek S. Duchscherer, Nicholas J. Wersal, Nathan J. Friberg | 2017-01-31 |
| 9546462 | Rotor and rotor housing for a snowthrower | Nathan J. Friberg, Derek S. Duchscherer, Nicholas J. Wersal | 2017-01-17 |