Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5451018 | Railway tongue and rail juncture | Fridbert Heinze, Erich Nuding | 1995-09-19 |
| 4464831 | Method and device for fabricating insulated joints for railroad tracks | Lothar Weber, Horst Schwarzbach | 1984-08-14 |