Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811710 | Fuel injection pump for internal combustion engines | Alfred Schmitt, Dietrich Trachte, Wolf Wessel | 1989-03-14 |
| 4811711 | Fuel injection pump for internal combustion engines | Wolf Wessel | 1989-03-14 |