Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D977358 | Sounder housing | — | 2023-02-07 |
| D894029 | Sounder housing | — | 2020-08-25 |
| 10697793 | Hub-mountable wheel-rotation detector | James Edward Stewart | 2020-06-30 |
| 10352723 | Hub-mountable wheel-rotation detector | James Edward Stewart | 2019-07-16 |
| D807568 | Multi-bulb spot lamp | — | 2018-01-09 |
| D760943 | Lamp | — | 2016-07-05 |
| D751241 | Lamp | — | 2016-03-08 |
| D576959 | Three button control head | Robert W. Corrigan, Scott McKendry, Kevin David Brewster, Chris Laning | 2008-09-16 |
| D576960 | Six button control head | Robert W. Corrigan, Scott McKendry, Kevin David Brewster, Chris Laning | 2008-09-16 |