Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5969480 | Ignition system with a field emitter coupled to the spark plug | Wilfried Schmolla | 1999-10-19 |
| 4713311 | Homogeneous photoconductive layer of amorphous silicon and hydrogen | Wilhelm Senske, Roland Herkert, Karl-Heinrich Greeb | 1987-12-15 |