Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450018 | Process and device for monitoring and observation of aging of a catalytic converter in exhaust gas of internal combustion engines and of emission of hazardous materials | — | 2002-09-17 |
| 5952555 | Method and apparatus for measuring and controlling the air-fuel mixture, E.G. in motor vehicles | — | 1999-09-14 |