Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7387280 | Points comprising a reinforced switch tongue blade | Dieter Fritz | 2008-06-17 |
| 5125603 | Sliding chair, sliding plate and ribbed plate, respectively, for railway switches or railway crossings | Johann Rieger, Heinz Steiger | 1992-06-30 |
| 4981264 | Device for fixing stock rails in railway switches as well as process for fixing stock rails by means of such device | Johann Rieger | 1991-01-01 |
| 4940183 | Arrangement for fastening rails | Johann Rieger | 1990-07-10 |