Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927102 | Reversing device for movable parts within the deflection area of a railway switch | Gerald Durchschlag, Alfred Lang, Franz Rotter, Dieter Fritz | 1990-05-22 |
| 4917339 | Reversing device for swivelable rails or movable frogs within the crossing area of a railway switch | Gerald Durchschlag, Alfred Lang, Franz Rotter, Dieter Fritz | 1990-04-17 |