Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D802026 | Zero radius turn sand grooming vehicle | Larry W. Schmidt, Cal N. Kosieracki, Andrew J. Kjolhaug, Joseph P. Thelen | 2017-11-07 |
| 9719468 | Engine for outdoor power equipment unit | Jay J. Kakuk, Trent R. Roth, Warren H. Daun, Philip C. Dretzka | 2017-08-01 |
| D786940 | Snowthrower power head | Philip C. Dretzka, Nathan J. Friberg, Nicholas J. Wersal, Derek S. Duchscherer | 2017-05-16 |
| D777795 | Handle for a ground working implement | Philip C. Dretzka, Kevin D. Docken | 2017-01-31 |
| D776721 | Snowthrower chute control | Philip C. Dretzka, Kevin D. Docken, Nathan J. Friberg | 2017-01-17 |