Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8593113 | Supercapacitor backup power supply with bi-directional power flow | Larry Forsythe | 2013-11-26 |
| 7915866 | Supercapacitor backup power supply with bi-directional power flow | Larry Forsythe | 2011-03-29 |
| 7401162 | Multi-functional port | Lawrence David Forsythe, Marija Gajic-Mancic | 2008-07-15 |
| 6535028 | Data bus fault detection circuit and method | — | 2003-03-18 |
| 4401403 | Spout control system | Stanley J. Johnson, David T. Allen | 1983-08-30 |
| 4365268 | Video planter guidance aid | David T. Allen | 1982-12-21 |
| 4187720 | Fuel line injection sensor | — | 1980-02-12 |