Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844661 | Step attachment for ladders | Kevin Halloran | 2020-11-24 |
| 10301874 | Accessory attachment for ladders | Kevin Halloran | 2019-05-28 |
| 4484134 | Elongate particle sensing aperture | — | 1984-11-20 |
| 4350292 | Centrifugal feeder | Ian D. Gilbert, Ermi Roos | 1982-09-21 |