Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9032701 | Grass collection system with through-shaft PTO | — | 2015-05-19 |
| 8485908 | Flexible coupler | — | 2013-07-16 |
| D639703 | Front face of a plaque | — | 2011-06-14 |
| D611875 | Plaque | — | 2010-03-16 |
| 7325389 | High-clearance dump system with independent tilt control | — | 2008-02-05 |
| 7146787 | Walk behind mower | — | 2006-12-12 |
| 6935446 | Walk behind mower | — | 2005-08-30 |
| 4930981 | Low noise impeller | — | 1990-06-05 |
| 4835951 | Mower apparatus | — | 1989-06-06 |
| 4782650 | Mowing apparatus | — | 1988-11-08 |
| 4781665 | Power-delivery belt-tensioning system | — | 1988-11-01 |
| 4589249 | Mowing apparatus | Wesley Walker, Robert W. Walker | 1986-05-20 |
| 4386038 | Evaporative cooler apparatus | — | 1983-05-31 |
| 4261930 | Evaporative cooling system | — | 1981-04-14 |