Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876852 | Diesel internal combustion engine with an exhaust gas line system | Hans-Dieter Schuster, Hans-Joachim Langer, Erwin Strohmer, Rolf Gabler, Roland Schulte | 1989-10-31 |
| 4829963 | Method for the regulation of the mixture composition in a mixture-compressing internal combustion engine | Kurt Oblaender, Karlwalter Schmidt | 1989-05-16 |
| 4824363 | Process and equipment for removing odorous substances from the fresh air for vehicle cabins | Hans-Dieter Schuster, Karlwalter Schmidt, Gottfried Wollenhaupt, Hans Schmitz | 1989-04-25 |