Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355723 | Method and apparatus for controlling the temperature of a heated measuring resistor | Karl Gmelin, Hans-Peter Stiefel | 1994-10-18 |
| 5207094 | Method and apparatus for controlling the temperature of a heated measuring resistor | Karl Gmelin, Hans-Peter Stiefel | 1993-05-04 |
| 5197674 | Apparatus for injecting a fuel-gas mixture into an internal combustion engine | Uwe Liskow, Harald Kalup | 1993-03-30 |
| 5161511 | Apparatus for injecting a fuel-gas mixture | — | 1992-11-10 |