Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5107169 | Central electrode for spark plugs having an interlayer between the core and an outer layer | Friedrich Schneider | 1992-04-21 |
| 4554027 | Shaped part made of a composite material and a process for its production | Friedrich Schneider, Dieter Stoeckel | 1985-11-19 |