Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869218 | Fuel injection pump for internal combustion engines | Wolfgang Fehlmann | 1989-09-26 |
| 4828718 | Catalytic degradation of oxidizable organic and inorganic compounds in waters | Wolfgang Habermann, Hubert Engelhardt, Udo Mayer, Peter Hammes, Werner Simmler | 1989-05-09 |