Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611234 | Process for modifying the section of a railway rail and rail thus obtained | Gerard Testart | 1997-03-18 |
| 5100046 | Monobloc points for grooved rails and method for making same | Charles Risch | 1992-03-31 |
| 5050797 | Rail fastening for points of railway tracks | — | 1991-09-24 |