Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7309050 | Grooved rail core piece | Thomas Christ, Torsten Reck | 2007-12-18 |
| 7137601 | Check rail device | Thomas Christ, Ulrich Jelinski | 2006-11-21 |
| 5451018 | Railway tongue and rail juncture | Erich Nuding, Friedhelm Wojtek | 1995-09-19 |