Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237725 | Cart automatic brake mechanism | Daniel Leigh Otterson | 2001-05-29 |
| 6041894 | Cart automatic brake mechanism | Daniel Leigh Otterson | 2000-03-28 |
| 5355122 | Rainfall detection and disable control system | — | 1994-10-11 |