Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11858330 | Battery servicing apparatus | John Ringstad | 2024-01-02 |
| 11608767 | Exhaust aftertreatment sensor table mounting apparatus and method of installing the same | John Ringstad, James Klingbeil | 2023-03-21 |