Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863107 | Rotor and rotor housing for a snowthrower | Nathan J. Friberg, Derek S. Duchscherer, Nicholas J. Wersal | 2018-01-09 |
| 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 |
| 6709223 | Tracked compact utility loader | Joseph J. Walto, Ronald T. Keagle | 2004-03-23 |
| 6082083 | Ground speed control system | Larry W. Schmidt, Richard A. Thorud, Henry B. Tillotson, Nathan J. Friberg | 2000-07-04 |
| D424578 | Lawn mower control handle | Nathan J. Friberg, David J. Martin, Anthony N. Pink, Larry W. Schmidt | 2000-05-09 |
| 5636504 | Handle assembly for outdoor power equipment | Charles F. Kaley, Larry W. Schmidt | 1997-06-10 |