Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295624 | Contact surfaces of a track part and railway wheel | Ruediger Ziethen, Erich Nuding | 1994-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295624 | Contact surfaces of a track part and railway wheel | Ruediger Ziethen, Erich Nuding | 1994-03-22 |