Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10320156 | Spark plug and method for manufacturing same | Werner Niessner | 2019-06-11 |
| 10109986 | Prechamber spark plug for a gas-powered internal combustion engine, and method for manufacturing same | Werner Niessner, Andre Seeber, Matthias Blankmeister, Rene Trebbels | 2018-10-23 |