Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774802 | Intake air heating system for a vehicle | Steven W. Tonkin, Roger J. Halberg | 2020-09-15 |
| 10221817 | Intake air heating system for a vehicle | Steven W. Tonkin, Roger J. Halberg | 2019-03-05 |
| 10077745 | Intake air heating system for a vehicle | Steven W. Tonkin, Roger J. Halberg | 2018-09-18 |