Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11498464 | Grounds maintenance vehicle with adjustable suspension system | Dale A. Stover, Alexander E. Hoy, Patrick J. Shaver | 2022-11-15 |
| 10864832 | Grounds maintenance vehicle with adjustable suspension system | Dale A. Stover, Alexander E. Hoy, Patrick J. Shaver | 2020-12-15 |
| 9863107 | Rotor and rotor housing for a snowthrower | Nathan J. Friberg, Philip G. Stalpes, Nicholas J. Wersal | 2018-01-09 |
| D786940 | Snowthrower power head | Philip C. Dretzka, David J. Martin, Nathan J. Friberg, Nicholas J. Wersal | 2017-05-16 |
| 9556572 | Self-propelled, single-stage snowthrower | Nicholas J. Wersal, Philip G. Stalpes, Nathan J. Friberg | 2017-01-31 |
| 9546462 | Rotor and rotor housing for a snowthrower | Nathan J. Friberg, Philip G. Stalpes, Nicholas J. Wersal | 2017-01-17 |