Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10392761 | Automatically adjustable snowthrower chute | Jason J. Raasch, Robert Koenen | 2019-08-27 |
| 9493920 | Automatically adjustable snowthrower chute | Jason J. Raasch, Robert Koenen | 2016-11-15 |
| 8938894 | Automatically adjustable snowthrower chute | Jason J. Raasch, Robert Koenen | 2015-01-27 |