Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11195654 | Ignition coil | Sven Schumm, Manfred Adolf, Timo Stifel, Manuel Bauer, Alexander Stark | 2021-12-07 |
| 10890156 | Method for determining a need for changing a spark plug | Dejan Kienzle, Douglas L. Sprunger | 2021-01-12 |