Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7850089 | Fixed carriageway for rail vehicles and method of manufacturing the same | Stephan Freudenstein, Christof Nottbeck, Sascha Lay | 2010-12-14 |
| 5653388 | Method and apparatus for constructing a permanent railroad track | Dieter Pietschmann, Hans Bachmann, Pierre-Olivier Boutin, Winfried Mohr, Gilles de Pontbriand | 1997-08-05 |