Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8660744 | Speed control system for walk behind powered equipment | Harry L. Derby, V | 2014-02-25 |
| 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 |
| 7275615 | Speed control system for walk behind powered equipment | Harry L. Derby, V | 2007-10-02 |
| 7168227 | Internal combustion engine traction drive with electric cutting unit drive for walking greens mower | Harry L. Derby, V | 2007-01-30 |