Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532793 | Measurement of contaminant components in exhaust gas and reduction of excessive contaminant emissions during cold starts and while driving | — | 2003-03-18 |
| 6439040 | Device for analyzing exhaust emissions from motor vehicles | Stefan Garms, Stefan SCHROLL | 2002-08-27 |