Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7063293 | Rolling device for a displaceable cross frog | Josef Leitner, Franz Stelzer | 2006-06-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7063293 | Rolling device for a displaceable cross frog | Josef Leitner, Franz Stelzer | 2006-06-20 |