Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875503 | Stop for compressor plate valve | Werner Heger, Heinrich Schlossarczyk | 1989-10-24 |
| 4850823 | Fuel injection pump for internal combustion engines | Josef Guntert, Walter Hafele | 1989-07-25 |
| 4842497 | Fuel injection pump for internal combustion engines | Walter Hafele, Johann Warga | 1989-06-27 |