Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4733614 | Continuously advancing machine for works on a railway track | Frederic Lorscheider | 1988-03-29 |
| 4635557 | Machine for works on a railway track with continuous advance | Pierre Mohr | 1987-01-13 |