Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850822 | Fuel injection pump for internal combustion engines | Walter Hafele, Johann Warga | 1989-07-25 |
| 4850823 | Fuel injection pump for internal combustion engines | Walter Hafele, Manfred Kramer | 1989-07-25 |
| 4830587 | Fuel injection pump for internal combustion engines | Walter Hafele, Johann Warga | 1989-05-16 |
| 4811716 | Fuel injection pump for internal combustion engines | Johann Warga | 1989-03-14 |