Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5899378 | Plastic housing | Arthur Klotz, Rudolf Leipelt | 1999-05-04 |
| 5480197 | Toggle catch for intake air filters of internal-combustion engines, compressors and other machines which take in air | Volker Ernst, Volker Lehmann | 1996-01-02 |
| 4231343 | Device for controlling the intake air temperature of a carburetor-equipped internal combustion engine | Herbert Alf, Volker Ernst, Rudolf Leipelt | 1980-11-04 |