Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755238 | Straightened rail | Raymond-Yves Deroche, Andre Faessel | 1988-07-05 |
| 4597283 | Method for straightening a rail and straightened rail | Raymond-Yves Deroche, Andre Faessel | 1986-07-01 |