Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4700023 | Trackless, center articulation underground vehicle driven by an electric motor | Willi Hillmann, Eberhard Drews | 1987-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4700023 | Trackless, center articulation underground vehicle driven by an electric motor | Willi Hillmann, Eberhard Drews | 1987-10-13 |