Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359893 | Voltage source for ion current measurement in an internal combustion engine | Gunter Schirmer | 1982-11-23 |
| 4312215 | Apparatus for detecting pressure fluctuations in the combustion chamber of an internal combustion engine | Klaus Dobler, Christian Zrenner, Gunter Schirmer | 1982-01-26 |