Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8660744 | Speed control system for walk behind powered equipment | Harry L. Derby, V | 2014-02-25 | $23,758,000 |
| 8543295 | Electronically controlled speed limiting system for turf care machine | Christian Stanton Carver Bryant, Lynn G. Westbrook, Brian Melka | 2013-09-24 | |
| 7677017 | Modular power source for walk-behind mower | — | 2010-03-16 | $25,706,000 |
| 7275615 | Speed control system for walk behind powered equipment | Harry L. Derby, V | 2007-10-02 | $37,147,000 |
| 7168227 | Internal combustion engine traction drive with electric cutting unit drive for walking greens mower | Harry L. Derby, V | 2007-01-30 | $23,370,000 |