Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8091913 | Variable adjustable trailer hitch | — | 2012-01-10 |
| 7624521 | Snowthrower chute control | Brett P. Yeager, Nathan J. Friberg | 2009-12-01 |
| 7472500 | Snowthrower deflector control | — | 2009-01-06 |
| 7401425 | Snowthrower wheel drive steering system | Nathan J. Friberg | 2008-07-22 |
| 7032333 | Snowthrower chute and deflector control | Nathan J. Friberg | 2006-04-25 |
| 6938364 | Two stage snowthrower with impeller housing bypass | David A. Murray, Jerold F. Patrin | 2005-09-06 |
| 6470602 | Snowthrower having impeller assist propulsion | Thomas J. Beckey, John T. Gill | 2002-10-29 |
| 6279235 | Filament trimmer head | Chris A. Wadzinski | 2001-08-28 |
| 6092617 | System for automatically slowing vehicle during turns | Glenn L. Larsen, David A. Murray, Gerald J. Zien | 2000-07-25 |
| 5934400 | Cruise control system for a vehicle | Glenn L. Larsen, David A. Murray | 1999-08-10 |
| 5749148 | Filament trimmer head | Chris A. Wadzinski | 1998-05-12 |
| 5657542 | Filament trimmer head | Chris A. Wadzinski | 1997-08-19 |
| 5363635 | Mulching mower with improved mulching blade | Gregory P. Tonsager, Richard A. Thorud | 1994-11-15 |
| 5315771 | Discharge chute assembly for snowthrower | Thomas K. Bricko, Richard A. Thorud | 1994-05-31 |
| 5177888 | Discharge chute assembly for snowthrower | Richard A. Thorud, Thomas K. Bricko, John R. Hacker, David E. Larsen, Dean R. Toensing | 1993-01-12 |
| D322441 | Riding lawn mower tractor | Darrell W. Hinklin | 1991-12-17 |
| RE33726 | Single stage snowthrower | Richard A. Thorud | 1991-10-29 |
| 5042238 | Riding lawn mower | Henry B. Tillotson, Richard A. Thorud | 1991-08-27 |
| 4694594 | Single stage snowthrower | Richard A. Thorud | 1987-09-22 |
| 4571831 | Cutting head for filament trimmer | — | 1986-02-25 |
| 4412382 | Line feed mechanism for filament cutting | — | 1983-11-01 |
| 4250366 | Trigger assembly for arc welding gun | Milton W. Erickson | 1981-02-10 |