Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11770876 | Heater control system | Steven W. Tonkin | 2023-09-26 |
| 10774802 | Intake air heating system for a vehicle | Steven W. Tonkin, Jeremy N. DOUGLAS | 2020-09-15 |
| 10221817 | Intake air heating system for a vehicle | Steven W. Tonkin, Jeremy N. DOUGLAS | 2019-03-05 |
| 10077745 | Intake air heating system for a vehicle | Steven W. Tonkin, Jeremy N. DOUGLAS | 2018-09-18 |
| 5977496 | Switch sensor with internal shear pin design | Dean McClenathan | 1999-11-02 |