Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886285 | Transporter with wheels | Hermann Osthoff | 1989-12-12 |
| 4877987 | Motor with axially displaceable rotor | Heinz Flaig, Udo Neumann, Heinz Hasselmann, Karl Zacharias, Harald Bitsch | 1989-10-31 |