Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286311 | Precipitation hardening ferritic-pearlitic steel valve | Klaus Richter | 1994-02-15 |
| 5221373 | Internal combustion engine valve composed of precipitation hardening ferritic-pearlitic steel | Klaus Richter | 1993-06-22 |
| 4838963 | Micro-alloyed steels | Bernd Huchtemann, Serosh Engineer | 1989-06-13 |
| 4790993 | Process for the production of alcohol-free, yeast white beer | Siegfried Schedl, Hermann Eppinger | 1988-12-13 |