Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803474 | Torsion bar rear suspension for ride-on mowers | Michael P. Schemelin, Daniel Schaefer | 1998-09-08 |
| 5570570 | Ride-on mower steering and suspension system | Edward Freier, Jr., Michael P. Schemelin, Daniel Schaefer, Gary A. Hays | 1996-11-05 |
| 5474315 | Torsion bar rear suspension for ride-on mowers | Edward Freier, Jr., Michael P. Schemelin, Daniel Schaefer, Gary A. Hays | 1995-12-12 |
| 5094326 | Control linkage for hydrostatic transmission | Michael P. Schemelin, Daniel Schaefer | 1992-03-10 |
| 5085044 | Two-blade mower deck with infinite height adjustment | Edward Freier, Jr., Gary A. Hays, John F. Jacque | 1992-02-04 |
| 4897942 | High efficiency snowthrower | Richard Brown | 1990-02-06 |
| 4426831 | Mower blade | Norbert J. Ansay | 1984-01-24 |
| 4231215 | Single belt drive for a three-spindle rotary mower | — | 1980-11-04 |