Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9714596 | Method of manufacturing an exhaust gas carrying device and tool therefor | Stefan Keller, Stefan Meischkoetter, Otto Steinhauser | 2017-07-25 |
| 8857056 | Method of manufacturing an exhaust gas carrying device and tool therefor | Stefan Keller, Stefan Merschkoetter, Otto Steinhauser | 2014-10-14 |
| 4796488 | Differential whose a ring gear is mounted in sound damping manner on its carrier | Faust Hagin, Franz Seethaler, Robert F. Zelinka | 1989-01-10 |
| 4352520 | Composite of a vehicle frame and body parts | Rudolf Hormann | 1982-10-05 |